new_contents: # Copyright 2013-2020 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 Podio(CMakePackage):
      """PODIO, or plain-old-data I/O, is a C++ library to support the creation
      and handling of data models in particle physics."""
  
      homepage = "https://github.com/AIDASoft/podio"
      url      = "https://github.com/AIDASoft/podio/archive/v00-09-02.tar.gz"
      git      = "https://github.com/AIDASoft/podio.git"
  
      maintainers = ['vvolkl', 'drbenmorgan']
  
      version('master', branch='master')
      version('00-10', sha256='b5b42770ec8b96bcd2748abc05669dd3e4d4cc84f81ed57d57d2eda1ade90ef2')
      version('00-09-02', sha256='8234d1b9636029124235ef81199a1220968dcc7fdaeab81cdc96a47af332d240')
      version('00-09', sha256='3cde67556b6b76fd2d004adfaa3b3b6173a110c0c209792bfdb5f9353e21076f')
      version('00-08', sha256='9d035a7f5ebfae5279a17405003206853271af692f762e2bac8e73825f2af327')
  
      variant('build_type', default='Release',
              description='The build type to build',
              values=('Debug', 'Release'))
  
      variant('cxxstd',
              default='17',
              values=('14', '17'),
              multi=False,
              description='Use the specified C++ standard when building.')
  
      _cxxstd_values = ('14', '17')
      for s in _cxxstd_values:
          depends_on('root@6.08.06: cxxstd=' + s, when='cxxstd=' + s)
  
      depends_on('cmake', type='build')
      depends_on('python', type=('build', 'run'))
      depends_on('py-pyyaml', type=('build', 'run'))
  
      def cmake_args(self):
          args = []
          # C++ Standard
          args.append('-DCMAKE_CXX_STANDARD=%s'
                      % self.spec.variants['cxxstd'].value)
          args.append('-DBUILD_TESTING=OFF')
          return args
  
      def setup_build_environment(self, spack_env):
          spack_env.prepend_path('LD_LIBRARY_PATH', self.spec['root'].prefix.lib)
  
      def setup_dependent_build_environment(self, env, dependent_spec):
          env.set('PODIO', self.prefix)
  
      def setup_dependent_run_environment(self, env, dependent_spec):
          env.set('PODIO', self.prefix)
  
subject: add recipe for podio (#15726)