# File setup.rb, line 806
  def parsearg_config
    re = /\A--(#{ConfigTable.map {|i| i.name }.join('|')})(?:=(.*))?\z/
    @options['config-opt'] = []

    while i = ARGV.shift
      if /\A--?\z/ =~ i
        @options['config-opt'] = ARGV.dup
        break
      end
      m = re.match(i)  or setup_rb_error "config: unknown option #{i}"
      name, value = *m.to_a[1,2]
      @config[name] = value
    end
  end