require 'formula' class Libkml < Formula url 'http://libkml.googlecode.com/files/libkml-1.2.0.tar.gz' homepage 'http://code.google.com/p/libkml/' md5 '25d534437f971bf55a945608e39fea79' def install system "./configure", "--prefix=#{prefix}" system "make install" end end