require 'formula' class Glpk < Formula url 'http://ftp.gnu.org/gnu/glpk/glpk-4.44.tar.gz' homepage 'http://www.gnu.org/software/glpk/' md5 'f2ac7013bc0420d730d052e7ba24bdb1' def install system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}" system "make install" end end