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 Log4cplus(CMakePackage):
      """log4cplus is a simple to use C++ logging API
      providing thread-safe, flexible, and arbitrarily
      granular control over log management and configuration."""
  
      homepage = "https://sourceforge.net/projects/log4cplus/"
      url      = "https://nchc.dl.sourceforge.net/project/log4cplus/log4cplus-stable/1.2.0/log4cplus-1.2.0.tar.gz"
  
      version('1.2.0', 'e250f0f431c0723f8b625323e7b6465d')
  
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 Log4cplus(CMakePackage):
      """log4cplus is a simple to use C++ logging API
      providing thread-safe, flexible, and arbitrarily
      granular control over log management and configuration."""
  
      homepage = "https://sourceforge.net/projects/log4cplus/"
      url      = "https://download.sourceforge.net/project/log4cplus/log4cplus-stable/2.0.1/log4cplus-2.0.1.tar.bz2"
  
      version('2.0.1', 'ec01c03241ebd31127a44d1880830d8f')
      version('1.2.1', 'e4e6c38b065b70b5d6efc238a5106bc9')
      version('1.2.0', 'e250f0f431c0723f8b625323e7b6465d')
  
subject: Add new versions for log4cplus. (#8621)