require 'formula' class AutoconfArchive < Formula url 'http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2011.09.17.tar.bz2' homepage 'http://savannah.gnu.org/projects/autoconf-archive/' md5 'a753535afdc49e09effae2de3bce0a61' def install system './configure', "--prefix=#{prefix}" system 'make install' end end