text: ##############################################################################
  # Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
  # Produced at the Lawrence Livermore National Laboratory.
  #
  # This file is part of Spack.
  # Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
  # LLNL-CODE-647188
  #
  # For details, see https://github.com/spack/spack
  # Please also see the NOTICE and LICENSE files for our notice and the LGPL.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  #
  # This program is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
  # conditions of the GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  ##############################################################################
  from spack import *
  
  
  class Gnupg(AutotoolsPackage):
      """GnuPG is a complete and free implementation of the OpenPGP
         standard as defined by RFC4880 """
  
      homepage = "https://gnupg.org/index.html"
      url = "https://gnupg.org/ftp/gcrypt/gnupg/gnupg-2.2.3.tar.bz2"
  
      version('2.2.3', '6911c0127e4231ce52d60f26029dba68')
      version('2.1.21', '685ebf4c3a7134ba0209c96b18b2f064')
  
      depends_on('libgcrypt')
      depends_on('libassuan')
      depends_on('libksba')
      depends_on('libgpg-error')
      depends_on('npth')
  
      def configure_args(self):
          args = ['--with-npth-prefix=%s' % self.spec['npth'].prefix,
                  '--with-libgcrypt-prefix=%s' % self.spec['libgcrypt'].prefix,
                  '--with-libksba-prefixx=%s' % self.spec['libksba'].prefix,
                  '--with-libassuan-prefix=%s' % self.spec['libassuan'].prefix,
                  '--with-libpgp-error-prefix=%s' %
                  self.spec['libgpg-error'].prefix]
          return args
  