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)
  
  from spack import *
  
  
  class MparkVariant(CMakePackage):
      """C++17 `std::variant` for C++11/14/17"""
  
      homepage = "https://mpark.github.io/variant"
      url      = "https://github.com/mpark/variant/archive/v1.3.0.tar.gz"
      maintainers = ['ax3l']
  
      version('1.4.0', sha256='8f6b28ab3640b5d76d5b6664dda7257a4405ce59179220431b8fd196c79b2ecb')
      version('1.3.0', sha256='d0f7e41f818fcc839797a8017e76b8b66b323651c304cff641a83a56ae9943c6')
  
      # Ref.: https://github.com/mpark/variant/pull/71
      patch('nvcc.patch')
  
      conflicts('%gcc@:4.7')
      conflicts('%clang@:3.5')
  