require 'formula' class Scheme48 < Formula url 'http://www.s48.org/1.8/scheme48-1.8.tgz' homepage 'http://www.s48.org/' md5 'f1c0a515039d4df4e07721f21940ad6d' skip_clean 'lib' skip_clean 'bin' def install ENV.deparallelize system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}", "--enable-gc=bibop" system "make" system "make install" end end