autoconf.rb

require 'formula'

class Autoconf < Formula
  url 'http://ftp.gnu.org/gnu/autoconf/autoconf-2.13.tar.gz'
  homepage 'http://www.gnu.org/software/autoconf/'
  sha1 'e4826c8bd85325067818f19b2b2ad2b625da66fc'
  def install
    system "./configure", "--program-suffix=213",
                          "--prefix=#{prefix}",
                          "--infodir=#{info}"
    system "make install"
  end
end

# The file is wrote by  @zpao & @othree 
# Thanks to @zpao & @othree