old_contents: ##############################################################################
  # Copyright (c) 2013-2016, 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/llnl/spack
  # Please also see the LICENSE file 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 Gl2ps(Package):
      """GL2PS is a C library providing high quality vector output for any
      OpenGL application."""
  
      homepage = "http://www.geuz.org/gl2ps/"
      url      = "http://geuz.org/gl2ps/src/gl2ps-1.3.9.tgz"
  
      version('1.3.9', '377b2bcad62d528e7096e76358f41140')
  
      depends_on("libpng")
  
      def install(self, spec, prefix):
          cmake('.', *std_cmake_args)
  
          make()
          make("install")
  
new_contents: ##############################################################################
  # Copyright (c) 2013-2016, 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/llnl/spack
  # Please also see the LICENSE file 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 Gl2ps(CMakePackage):
      """GL2PS is a C library providing high quality vector output for any
      OpenGL application."""
  
      homepage = "http://www.geuz.org/gl2ps/"
      url      = "http://geuz.org/gl2ps/src/gl2ps-1.3.9.tgz"
  
      version('1.3.9', '377b2bcad62d528e7096e76358f41140')
  
      variant('png',  default=True, description='Enable PNG support')
      variant('zlib', default=True, description='Enable compression using ZLIB')
  
      depends_on('cmake@2.4:', type='build')
  
      # TODO: Add missing dependencies on OpenGL/Mesa and LaTeX
  
      # X11 libraries:
      depends_on('libice')
      depends_on('libsm')
      depends_on('libxau')
      depends_on('libxdamage')
      depends_on('libxdmcp')
      depends_on('libxext')
      depends_on('libxfixes')
      depends_on('libxi')
      depends_on('libxmu')
      depends_on('libxt')
      depends_on('libxxf86vm')
      depends_on('libxcb')
      depends_on('libdrm')
      depends_on('expat')
  
      depends_on('libpng', when='+png')
      depends_on('zlib',   when='+zlib')
  
      def variant_to_bool(self, variant):
          return 'ON' if variant in self.spec else 'OFF'
  
      def cmake_args(self):
          return [
              '-DENABLE_PNG={0}'.format(self.variant_to_bool('+png')),
              '-DENABLE_ZLIB={0}'.format(self.variant_to_bool('+zlib')),
          ]
  
subject: Convert gl2ps to CMakePackage (#3360)