require 'formula' class Stp < Formula head 'http://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp', :revision => '1028' homepage 'http://sites.google.com/site/stpfastprover/' def options [["--32-bit", "Force 32-bit."]] end def install unless ARGV.include? "--32-bit" inreplace "./scripts/Makefile.common" do |s| s.remove_make_var! "CFLAGS_M32" end end system "./scripts/configure", "--with-prefix=#{prefix}" system "make install" end end