require 'formula' class Libxmp < Formula homepage 'http://xmp.sourceforge.net' url 'https://downloads.sourceforge.net/project/xmp/libxmp/4.2.7/libxmp-4.2.7.tar.gz' sha1 'cc7b1340bd8664d933311d23550ae4279abf2ecc' head do url 'git://git.code.sf.net/p/xmp/libxmp' depends_on :autoconf end def install system "autoconf" if build.head? system "./configure", "--prefix=#{prefix}" system "make install" end end