require 'formula' class Xdelta < Formula homepage 'http://xdelta.org' url 'https://xdelta.googlecode.com/files/xdelta3-3.0.6.tar.gz' sha1 'a468ce0efb0cd1c7dbdff637731e9ac6470437c6' def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end