require 'formula' class Polyml < Formula homepage 'http://www.polyml.org' url 'https://downloads.sourceforge.net/project/polyml/polyml/5.5.1/polyml.5.5.1.tar.gz' sha1 'f5a0d289eb0a891af5ac6e897ccc7718ccf32d89' def install system "./configure", "--disable-dependency-tracking", "--disable-debug", "--prefix=#{prefix}" system "make" system "make install" end end