require 'formula' class Polyml < Formula url 'http://downloads.sourceforge.net/project/polyml/polyml/5.3/polyml.5.3.tar.gz' homepage 'http://www.polyml.org' sha1 'a037cd8cf4ce4a43b685b0e0d80f3f1e20d7c9fa' def install # for whatever reason, the configure script fails to find c++ if CXX is defined. # this overrides configure so that it won't check for c++ and will assume it exists. ENV["check_cpp"] = "yes" system "./configure", "--disable-dependency-tracking", "--disable-debug", "--prefix=#{prefix}" system "make install" end end