=> Bootstrap dependency digest>=20010302: found digest-20121220 ===> Installing for ruby193-taglib-0.5.2 => Generating pre-install file lists => Installing gem into installation root Building native extensions. This could take a while... ERROR: Error installing /scratch/audio/ruby-taglib/work/taglib-ruby-0.5.2/taglib-ruby-0.5.2.gem: ERROR: Failed to build gem native extension. /usr/pkg/bin/ruby193 extconf.rb checking for main() in -lstdc++... yes checking for main() in -ltag... no You must have taglib installed in order to use taglib-ruby. Debian/Ubuntu: sudo apt-get install libtag1-dev Fedora/RHEL: sudo yum install taglib-devel Brew: brew install taglib MacPorts: sudo port install taglib *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/pkg/bin/ruby193 --with-tag-dir --without-tag-dir --with-tag-include --without-tag-include=${tag-dir}/include --with-tag-lib --without-tag-lib=${tag-dir}/lib --with-stdc++lib --without-stdc++lib --with-taglib --without-taglib Gem files will remain installed in /scratch/audio/ruby-taglib/work/.inst/usr/pkg/lib/ruby/gems/1.9.3/gems/taglib-ruby-0.5.2 for inspection. Results logged to /scratch/audio/ruby-taglib/work/.inst/usr/pkg/lib/ruby/gems/1.9.3/gems/taglib-ruby-0.5.2/ext/taglib_base/gem_make.out *** Error code 1 Stop. make: stopped in /usr/pkgsrc/audio/ruby-taglib *** Error code 1 Stop. make: stopped in /usr/pkgsrc/audio/ruby-taglib