=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Checksum SHA1 OK for gsl-1.16.0.6.gem
=> Checksum RMD160 OK for gsl-1.16.0.6.gem
=> Checksum SHA512 OK for gsl-1.16.0.6.gem
===> Installing dependencies for ruby22-gsl-1.16.0.6
=> Tool dependency checkperms>=1.1: found checkperms-1.11
=> Build dependency cwrappers>=20150314: found cwrappers-20150707
=> Full dependency ruby22-narray>=0.5.9: found ruby22-narray-0.6.1.1
=> Full dependency ruby22-base>=2.2.3: found ruby22-base-2.2.3nb1
=> Full dependency gsl>=1.5nb1: found gsl-2.1
===> Overriding tools for ruby22-gsl-1.16.0.6
===> Extracting for ruby22-gsl-1.16.0.6
Unpacked gem: '/scratch/math/ruby-gsl/work/gsl-1.16.0.6'
===> Patching for ruby22-gsl-1.16.0.6
===> Creating toolchain wrappers for ruby22-gsl-1.16.0.6
===> Configuring for ruby22-gsl-1.16.0.6
=> Checking for portability problems in extracted files