new_contents: # Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  from spack import *
  
  
  class Dd4hep(CMakePackage):
      """DD4hep is a software framework for providing a complete solution for
         full detector description (geometry, materials, visualization, readout,
         alignment, calibration, etc.) for the full experiment life cycle
         (detector concept development, detector optimization, construction,
         operation). It offers a consistent description through a single source
         of detector information for simulation, reconstruction, analysis, etc.
         It distributed under the LGPLv3 License."""
  
      homepage = "https://dd4hep.web.cern.ch/dd4hep/"
      git      = "https://github.com/AIDASoft/DD4hep.git"
  
      version('develop', branch='master')
      version('1.10.0',  commit='9835d1813c07d9d5850d1e68276c0171d1726801')
  
      variant('xercesc', default=False, description="Enable 'Detector Builders' based on XercesC")
      variant('geant4', default=False, description="Enable the simulation part based on Geant4")
      variant('testing', default=False, description="Enable and build tests")
  
      depends_on('cmake @3.3:', type='build')
      depends_on('root @6.08: +gdml +opengl +x')
      depends_on('boost @1.49:')
      depends_on('xerces-c', when='+xercesc')
      depends_on('geant4@10.2.2:', when='+geant4')
  
      def cmake_args(self):
          spec = self.spec
          cxxstd = spec['root'].variants['cxxstd'].value
          args = [
              "-DCMAKE_CXX_STANDARD={0}".format(cxxstd),
              "-DDD4HEP_USE_XERCESC={0}".format(spec.satisfies('+xercesc')),
              "-DDD4HEP_USE_GEANT4={0}".format(spec.satisfies('+geant4')),
              "-DBUILD_TESTING={0}".format(spec.satisfies('+testing'))
          ]
          return args
  
subject: Add a DD4hep package (#9208)