require 'formula' class Msgpack < Formula url 'http://downloads.sourceforge.net/project/msgpack/msgpack/cpp/msgpack-0.5.4.tar.gz' homepage 'http://msgpack.sourceforge.net/' md5 '18d96a3178f7cad73c0ca44f6284ae7d' def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end