gistfile1

 require 'formula'

 class Libffi < Formula
   url 'http://mirrors.kernel.org/sources.redhat.com/libffi/libffi-3.0.9.tar.gz'
   mirror 'ftp://sourceware.org/pub/libffi/libffi-3.0.9.tar.gz'
   homepage 'http://sourceware.org/libffi/'
   sha1 '56e41f87780e09d06d279690e53d4ea2c371ea88'

   keg_only :provided_by_osx, "Guile uses this version of libffi."

   def install
     ENV.universal_binary
     system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
     system "make install"
   end
 end