# File lib/mini_portile.rb, line 50
  def configure
    return if configured?

    md5_file = File.join(tmp_path, 'configure.md5')
    digest   = Digest::MD5.hexdigest(computed_options)
    File.open(md5_file, "w") { |f| f.write digest }

    execute('configure', %Q(sh configure #{computed_options}))
  end