old_contents: ##############################################################################
  # 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 Nettle(AutotoolsPackage):
      """The Nettle package contains the low-level cryptographic library
      that is designed to fit easily in many contexts."""
  
      homepage = "https://www.lysator.liu.se/~nisse/nettle/"
      url      = "http://ftp.gnu.org/gnu/nettle/nettle-3.3.tar.gz"
  
      version('3.3',   '10f969f78a463704ae73529978148dbe')
      version('3.2',   'afb15b4764ebf1b4e6d06c62bd4d29e4')
      version('2.7.1', '003d5147911317931dd453520eb234a5')
      version('2.7',   '2caa1bd667c35db71becb93c5d89737f')
  
      depends_on('gmp')
      depends_on('m4', type='build')
  
new_contents: ##############################################################################
  # 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 Nettle(AutotoolsPackage):
      """The Nettle package contains the low-level cryptographic library
      that is designed to fit easily in many contexts."""
  
      homepage = "https://www.lysator.liu.se/~nisse/nettle/"
      url      = "http://ftp.gnu.org/gnu/nettle/nettle-3.3.tar.gz"
  
      version('3.4',   'dc0f13028264992f58e67b4e8915f53d')
      version('3.3',   '10f969f78a463704ae73529978148dbe')
      version('3.2',   'afb15b4764ebf1b4e6d06c62bd4d29e4')
      version('2.7.1', '003d5147911317931dd453520eb234a5')
      version('2.7',   '2caa1bd667c35db71becb93c5d89737f')
  
      depends_on('gmp')
      depends_on('m4', type='build')
  
subject: Update nettle package with info for v3.4 (#8653)