=> 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 ruby211-opengl-0.60.1nb1
=> Removing backup files of patch before build
WARNING:  licenses is empty, but is recommended.  Use a license abbreviation from:
http://opensource.org/licenses/alphabetical
WARNING:  no description specified
WARNING:  deprecated autorequire specified
WARNING:  open-ended dependency on mkrf (>= 0.2.0) is not recommended
  if mkrf is semantically versioned, use:
    add_runtime_dependency 'mkrf', '~> 0.2', '>= 0.2.0'
WARNING:  open-ended dependency on rake (>= 0) is not recommended
  if rake is semantically versioned, use:
    add_runtime_dependency 'rake', '~> 0'
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: ruby-opengl
  Version: 0.60.1
  File: ruby-opengl-0.60.1.gem
=> Unwrapping files-to-be-installed.