require 'formula' class Libxmp < Formula homepage 'http://xmp.sourceforge.net' url 'http://downloads.sourceforge.net/project/xmp/libxmp/4.1.5/libxmp-4.1.5.tar.gz' sha1 'f50ff6d98e9c21c8fb5e29a8c9e5677983285d90' head 'git://git.code.sf.net/p/xmp/libxmp' depends_on :autoconf if build.head? def install system "autoconf" if build.head? system "./configure", "--prefix=#{prefix}" system "make install" end end