text: # Copyright 2013-2019 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)
  
  
  class OmegaH(CMakePackage):
      """Omega_h is a C++11 library providing data structures and algorithms
      for adaptive discretizations. Its specialty is anisotropic triangle and
      tetrahedral mesh adaptation. It runs efficiently on most modern HPC
      hardware including GPUs.
      """
  
      homepage = "https://github.com/ibaned/omega_h"
      url      = "https://github.com/ibaned/omega_h/archive/v9.13.4.tar.gz"
      git      = "https://github.com/ibaned/omega_h.git"
  
      version('develop', branch='master')
      version('9.19.1', sha256='60ef65c2957ce03ef9d1b995d842fb65c32c5659d064de002c071effe66b1b1f')
      version('9.19.0', sha256='4a1606c4e7287a1b67359cf6ef1c2d7e24b7dc379065566a1d2e0b0330c0abbd')
      version('9.15.0', sha256='342a506a0ff22f6cac759862efdcf34e360110f7901eb9b4c5de8afe38741522')
      version('9.14.0', sha256='035d0f47142f965a57818d1cb6c5c00b5ae6b5a0178b67b0bc9177fa99ba083d')
      version('9.13.14', sha256='f617dfd024c9cc323e56800ca23df3386bfa37e1b9bd378847d1f5d32d2b8e5d')
      version('9.13.13', sha256='753702edf4bda9ae57ea21f09ca071e341604a468d8c86468c9aebba049f581c')
  
      variant('shared', default=True, description='Build shared libraries')
      variant('mpi', default=True, description='Activates MPI support')
      variant('zlib', default=True, description='Activates ZLib support')
      variant('trilinos', default=True, description='Use Teuchos and Kokkos')
      variant('throw', default=False, description='Errors throw exceptions instead of abort')
      variant('examples', default=False, description='Compile examples')
      variant('optimize', default=True, description='Compile C++ with optimization')
      variant('symbols', default=True, description='Compile C++ with debug symbols')
      variant('warnings', default=False, description='Compile C++ with warnings')
  
      depends_on('gmsh', when='+examples', type='build')
      depends_on('mpi', when='+mpi')
      depends_on('trilinos +kokkos +teuchos', when='+trilinos')
      depends_on('zlib', when='+zlib')
  
      # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86610
      conflicts('%gcc@8:')
  
      def _bob_options(self):
          cmake_var_prefix = 'Omega_h_CXX_'
          for variant in ['optimize', 'symbols', 'warnings']:
              cmake_var = cmake_var_prefix + variant.upper()
              if '+' + variant in self.spec:
                  yield '-D' + cmake_var + ':BOOL=ON'
              else:
                  yield '-D' + cmake_var + ':BOOL=FALSE'
  
      def cmake_args(self):
          args = ['-DUSE_XSDK_DEFAULTS:BOOL=OFF']
          if '+shared' in self.spec:
              args.append('-DBUILD_SHARED_LIBS:BOOL=ON')
          else:
              args.append('-DBUILD_SHARED_LIBS:BOOL=OFF')
          if '+mpi' in self.spec:
              args.append('-DOmega_h_USE_MPI:BOOL=ON')
              args.append('-DCMAKE_CXX_COMPILER:FILEPATH={0}'.format(
                  self.spec['mpi'].mpicxx))
          else:
              args.append('-DOmega_h_USE_MPI:BOOL=OFF')
          if '+trilinos' in self.spec:
              args.append('-DOmega_h_USE_Trilinos:BOOL=ON')
          if '+zlib' in self.spec:
              args.append('-DOmega_h_USE_ZLIB:BOOL=ON')
              args.append('-DZLIB_ROOT:PATH={0}'.format(
                  self.spec['zlib'].prefix))
          else:
              args.append('-DOmega_h_USE_ZLIB:BOOL=OFF')
          if '+examples' in self.spec:
              args.append('-DOmega_h_EXAMPLES:BOOL=ON')
          else:
              args.append('-DOmega_h_EXAMPLES:BOOL=OFF')
          if '+throw' in self.spec:
              args.append('-DOmega_h_THROW:BOOL=ON')
          else:
              args.append('-DOmega_h_THROW:BOOL=OFF')
          args += list(self._bob_options())
          return args
  
      def flag_handler(self, name, flags):
          flags = list(flags)
          if name == 'cxxflags':
              flags.append(self.compiler.cxx11_flag)
          return (None, None, flags)
  