require 'formula' class Mg < Formula url 'http://homepage.boetes.org/software/mg/mg-20110905.tar.gz' homepage 'http://homepage.boetes.org/software/mg/' md5 '2de35316fa8ebafe6003efaae70b723e' def install # -Wno-error=unused-but-set-variable requires GCC 4.6+ inreplace 'Makefile.in', '-Wno-error=unused-but-set-variable', '' system "./configure" system "make install prefix=#{prefix} mandir=#{man}" end end