require 'formula' class Scheme48 < Formula homepage 'http://www.s48.org/' url 'http://www.s48.org/1.8/scheme48-1.8.tgz' sha1 '75299fe9de4bf239fc1d5a7dfa2ec377e0e98df1' def install ENV.deparallelize system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}", "--enable-gc=bibop" system "make" system "make install" end end