require 'formula' class Glpk < Formula url 'http://ftpmirror.gnu.org/glpk/glpk-4.47.tar.gz' homepage 'http://www.gnu.org/software/glpk/' md5 '8653bf20c1f7db96b9ed369a8598a1ce' def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end