text: # Copyright 2013-2021 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 Xtensor(CMakePackage):
      """Multi-dimensional arrays with broadcasting and lazy computing"""
  
      homepage = "http://quantstack.net/xtensor"
      url      = "https://github.com/QuantStack/xtensor/archive/0.13.1.tar.gz"
      git      = "https://github.com/QuantStack/xtensor.git"
  
      maintainers = ['ax3l']
  
      version('develop', branch='master')
      version('0.23.2', sha256='fde26dcf93f5d95996b8cc7e556b84930af41ff699492b7b20b2e3335e12f862')
      version('0.20.7', sha256='b45290d1bb0d6cef44771e7482f1553b2aa54dbf99ef9406fec3eb1e4d01d52b')
      version('0.15.1', sha256='2f4ac632f7aa8c8e9da99ebbfc949d9129b4d644f715ef16c27658bf4fddcdd3')
      version('0.13.1', sha256='f9ce4cd2110386d49e3f36bbab62da731c557b6289be19bc172bd7209b92a6bc')
  
      variant('xsimd', default=True,
              description='Enable SIMD intrinsics')
      variant('tbb', default=True,
              description='Enable TBB parallelization')
  
      depends_on('xtl', when='@develop')
      depends_on('xtl@0.7.2:0.7.99', when='@0.23.2')
      depends_on('xtl@0.6.4:0.6.99', when='@0.20.7')
      depends_on('xtl@0.4.0:0.4.99', when='@0.15.1')
      depends_on('xtl@0.3.3:0.3.99', when='@0.13.1')
      depends_on('xsimd', when='@develop')
      depends_on('xsimd@7.4.9:7.99', when='@0.23.2 +xsimd')
      depends_on('xsimd@7.2.3:7.99', when='@0.20.7 +xsimd')
      depends_on('xsimd@4.0.0:4.99', when='@0.15.1 +xsimd')
      depends_on('xsimd@3.1.0:3.99', when='@0.13.1 +xsimd')
      depends_on('intel-tbb', when='+tbb')
  
      # C++14 support
      conflicts('%gcc@:4.8')
      conflicts('%clang@:3.5')
      # untested: conflicts('%intel@:15')
      # untested: conflicts('%pgi@:14')
  
      def cmake_args(self):
          spec = self.spec
  
          args = [
              '-DBUILD_TESTS:BOOL={0}'.format(
                  'ON' if self.run_tests else 'OFF'),
              '-DXTENSOR_USE_XSIMD:BOOL={0}'.format(
                  'ON' if '+xsimd' in spec else 'OFF'),
              '-DXTENSOR_USE_TBB:BOOL={0}'.format(
                  'ON' if '+tbb' in spec else 'OFF')
          ]
  
          return args
  