require 'formula' class Libyaml < Formula url 'http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz' homepage 'http://pyyaml.org/wiki/LibYAML' md5 '36c852831d02cf90508c29852361d01b' def install system "./configure", "--prefix=#{prefix}" system "make install" end end