=> 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 ruby18-pdf-core-0.1.6
=> Removing backup files of patch before build
WARNING:  licenses is empty
WARNING:  description and summary are identical
  Successfully built RubyGem
  Name: pdf-core
  Version: 0.1.6
  File: pdf-core-0.1.6.gem
=> Unwrapping files-to-be-installed.