require 'formula' class Libyaml < Formula homepage 'http://pyyaml.org/wiki/LibYAML' url 'http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz' sha1 'e0e5e09192ab10a607e3da2970db492118f560f2' option :universal def install args = ["--prefix=#{prefix}"] if build.universal? ENV.universal_binary args << "--disable-dependency-tracking" end system './configure', *args system "make install" end end