text: ##############################################################################
  # Copyright (c) 2013-2017, 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 IsaacServer(CMakePackage):
      """In Situ Animation of Accelerated Computations: Server"""
  
      homepage = "http://computationalradiationphysics.github.io/isaac/"
      url      = "https://github.com/ComputationalRadiationPhysics/isaac/archive/v1.3.0.tar.gz"
  
      version('develop', branch='dev',
              git='https://github.com/ComputationalRadiationPhysics/isaac.git')
      version('master', branch='master',
              git='https://github.com/ComputationalRadiationPhysics/isaac.git')
      version('1.3.2', 'c557daa74de52fd79e734c9758fca38b')
      version('1.3.1', '7fe075f9af68d05355eaba0e224f20ca')
      version('1.3.0', 'c8a794da9bb998ef0e75449bfece1a12')
  
      # variant('gstreamer', default=False, description= \
      #         'Support for RTP streams, e.g. to Twitch or Youtube')
  
      depends_on('cmake@3.3:', type='build')
      depends_on('jpeg', type='link')
      depends_on('jansson', type='link')
      depends_on('boost@1.56.0:', type='link')
      depends_on('libwebsockets@2.1.1:', type='link')
      # depends_on('gstreamer@1.0', when='+gstreamer')
  
      # Until the pull request is merged: https://github.com/ComputationalRadiationPhysics/isaac/pull/70
      patch('jpeg.patch', when='@:1.3.1')
  
      root_cmakelists_dir = 'server'
  