=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Checksum SHA1 OK for ntl-6.0.0.tar.gz
=> Checksum RMD160 OK for ntl-6.0.0.tar.gz
=> Checksum SHA512 OK for ntl-6.0.0.tar.gz
===> Installing dependencies for ntl-6.0.0nb4
=> Tool dependency libtool-base>=2.4.2nb9: found libtool-base-2.4.6nb1
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20151107
=> Tool dependency perl>=5.0: found perl-5.26.2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency gmp>=5.0.1: found gmp-6.1.2
===> Overriding tools for ntl-6.0.0nb4
===> Extracting for ntl-6.0.0nb4
===> Patching for ntl-6.0.0nb4
=> Applying pkgsrc patches for ntl-6.0.0nb4
===> Creating toolchain wrappers for ntl-6.0.0nb4