homebrew-core/Formula/gnu-tar.rb

require 'formula'

class GnuTar < Formula
  url 'ftp://ftp.gnu.org/gnu/tar/tar-1.22.tar.gz'
  homepage 'http://www.gnu.org/software/tar/'
  md5 'efafad1b256e3de410f4fce5335d9c9d'

  def install
    system "./configure", "--prefix=#{prefix}",
                          "--program-prefix=g",
                          "--mandir=#{man}"
    system "make install"
  end
end