require 'formula' class Libsvg < Formula url 'http://cairographics.org/snapshots/libsvg-0.1.4.tar.gz' homepage 'http://cairographics.org/' md5 'ce0715e3013f78506795fba16e8455d3' depends_on 'jpeg' def install ENV.x11 # for libpng system "./configure", "--prefix=#{prefix}" system "make install" end end