=> 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'.
===> Building for ruby22-gsl-1.16.0.6
=> Removing backup files of patch before build
WARNING:  open-ended dependency on rake-compiler (>= 0, development) is not recommended
  if rake-compiler is semantically versioned, use:
    add_development_dependency 'rake-compiler', '~> 0'
WARNING:  open-ended dependency on rake (>= 0, development) is not recommended
  if rake is semantically versioned, use:
    add_development_dependency 'rake', '~> 0'
WARNING:  open-ended dependency on test-unit (>= 0, development) is not recommended
  if test-unit is semantically versioned, use:
    add_development_dependency 'test-unit', '~> 0'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: gsl
  Version: 1.16.0.6
  File: gsl-1.16.0.6.gem