require 'formula' class Pathfinder < Formula homepage 'http://db.inf.uni-tuebingen.de/research/pathfinder' url 'http://db.inf.uni-tuebingen.de/files/research/pathfinder/download/pathfinder-0.41.tar.gz' sha1 '84f5581688e4c1dff27cf8e7d4354ee594f56970' option 'enable-debug', 'Enable debugging' def install args = ["--prefix=#{prefix}"] args << '--enable-debug' if build.include? 'enable-debug' system "./configure", *args system "make" system "make install" end end