=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Checksum SHA1 OK for amp-0.7.6.tgz
=> Checksum RMD160 OK for amp-0.7.6.tgz
=> Checksum SHA512 OK for amp-0.7.6.tgz
===> Installing dependencies for amp-0.7.6nb1
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20151107
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
===> Overriding tools for amp-0.7.6nb1
===> Extracting for amp-0.7.6nb1
===> Patching for amp-0.7.6nb1
=> Applying pkgsrc patches for amp-0.7.6nb1
===> Creating toolchain wrappers for amp-0.7.6nb1
===> Configuring for amp-0.7.6nb1
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
creating cache ./config.cache
checking for cc... clang
checking for cc... (cached) clang
checking for gcc... (cached) clang
checking whether the C compiler (clang -O2 -Wl,-R/usr/pkg/lib) works... yes
checking whether the C compiler (clang -O2 -Wl,-R/usr/pkg/lib) is a cross-compiler... no
checking whether we are using GNU C... yes
checking whether clang accepts -g... yes
checking how to run the C preprocessor... clang -E
checking for ANSI C header files... yes
checking for sys/wait.h that is POSIX.1 compatible... yes
checking for fcntl.h... yes
checking for sys/ioctl.h... yes
checking for sys/time.h... yes
checking for unistd.h... yes
checking for linux/soundcard.h... no
checking for machine/soundcard.h... no
checking for dmedia/audio.h... no
checking for sys/audioio.h... no
checking for sys/select.h... yes
checking for working const... yes
checking for inline... inline
checking whether time.h and sys/time.h may both be included... yes
checking whether clang needs -traditional... no
checking for vprintf... yes
checking for select... yes
checking for mlock... yes
checking for mlockall... yes
checking for sched_setscheduler... yes
checking Checking OS type... FreeBSD
checking Checking machine architecture... amd64
updating cache ./config.cache
creating ./config.status
creating Makefile
creating config.h