require 'formula' class Scrypt < Formula url 'http://www.tarsnap.com/scrypt/scrypt-1.1.6.tgz' homepage 'http://www.tarsnap.com/scrypt.html' md5 'a35523cd497f7283635ce881db39c2e2' def install system "./configure", "--prefix=#{prefix}" system "make install" end end