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 Openscenegraph(Package):
      """OpenSceneGraph is an open source, high performance 3D graphics toolkit
         that's used in a variety of visual simulation applications."""
  
      homepage = "http://www.openscenegraph.org"
      url      = "http://trac.openscenegraph.org/downloads/developer_releases/OpenSceneGraph-3.2.3.zip"
  
      version('3.2.3', '02ffdad7744c747d8fad0d7babb58427')
      version('3.1.5', '1c90b851b109849c985006486ef59822')
  
      variant('debug', default=False, description='Builds a debug version of the library')
      variant('shared', default=True, description='Builds a shared version of the library')
  
      depends_on('cmake@2.8.7:', type='build')
      depends_on('qt@4:')
      depends_on('zlib')
  
      def install(self, spec, prefix):
          build_type = 'Debug' if '+debug' in spec else 'Release'
          shared_status = 'ON' if '+shared' in spec else 'OFF'
  
          cmake_args = std_cmake_args[:]
          cmake_args.extend([
              '-DCMAKE_BUILD_TYPE={0}'.format(build_type),
              '-DDYNAMIC_OPENSCENEGRAPH={0}'.format(shared_status),
              '-DDYNAMIC_OPENTHREADS={0}'.format(shared_status),
          ])
  
          # NOTE: This is necessary in order to allow OpenSceneGraph to compile
          # despite containing a number of implicit bool to int conversions.
          if spec.satisfies('%gcc'):
              cmake_args.extend([
                  '-DCMAKE_C_FLAGS=-fpermissive',
                  '-DCMAKE_CXX_FLAGS=-fpermissive',
              ])
  
          with working_dir('spack-build', create=True):
              cmake(
                  '..',
                  '-DZLIB_INCLUDE_DIR={0}'.format(spec['zlib'].prefix.include),
                  '-DZLIB_LIBRARY={0}/libz.{1}'.format(spec['zlib'].prefix.lib,
                                                       dso_suffix),
                  '-DBUILD_OSG_APPLICATIONS=OFF',
                  '-DOSG_NOTIFY_DISABLED=ON',
                  '-DLIB_POSTFIX=',
                  *cmake_args
              )
              make()
              make('install')
  
subject: Add Package : OpenSceneGraph (#2075)