require 'formula' class Xdelta < Formula homepage 'http://xdelta.org' url 'http://xdelta.googlecode.com/files/xdelta3-3.0.4.tar.gz' sha1 'dee79dbd0632071da0ec53886aa4b72d18cc67ec' def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end