require 'formula' class Libxmp < Formula homepage 'http://xmp.sourceforge.net' url 'http://downloads.sourceforge.net/project/xmp/libxmp/4.1.1/libxmp-4.1.1.tar.gz' sha1 '42896b910f496a974caae95f543e7a12b6ec35fe' 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