require 'formula' class Xz < Formula homepage 'http://tukaani.org/xz/' url 'http://tukaani.org/xz/xz-5.0.2.tar.bz2' sha1 'c244dfffef4196b997035d7389e957f56a3a87d1' def install system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end