=> 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'.
===> Installing for ruby18-libarchive-0.1.1nb2
=> Installing gem into installation root
Building native extensions.  This could take a while...
Successfully installed libarchive-0.1.1
1 gem installed
Installing ri documentation for libarchive-0.1.1...
Installing RDoc documentation for libarchive-0.1.1...
=> Cleaning intermediate gem build files
rm libarchive-0.1.1/./ext/mkmf.log
rm libarchive-0.1.1/./ext/libarchive_writer.o
rm libarchive-0.1.1/./ext/libarchive_ruby.so
rm libarchive-0.1.1/./ext/libarchive_reader.o
rm libarchive-0.1.1/./ext/libarchive_entry.o
rm libarchive-0.1.1/./ext/libarchive_archive.o
rm libarchive-0.1.1/./ext/libarchive.o
rm libarchive-0.1.1/./ext/config.status
rm libarchive-0.1.1/./ext/config.log
rm libarchive-0.1.1/./ext/config.h
rm libarchive-0.1.1/./ext/archive_write_set_compression.o
rm libarchive-0.1.1/./ext/archive_write_open_rb_str.o
rm libarchive-0.1.1/./ext/archive_read_support_format.o
rm libarchive-0.1.1/./ext/archive_read_support_compression.o
rm libarchive-0.1.1/./ext/Makefile
=> gem install
=> Automatic manual page handling