require 'formula' class Polyml < Formula homepage 'http://www.polyml.org' url 'http://downloads.sourceforge.net/project/polyml/polyml/5.5/polyml.5.5.tar.gz' sha1 '9b308d3ac69316d1fcb0f6ac5f9b9e2d2390d511' 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" system "make install" end end