new_contents: # 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 Arbor(CMakePackage, CudaPackage):
      """Arbor is a high-performance library for computational neuroscience
      simulations."""
  
      homepage = 'https://arbor-sim.github.io/'
      git      = 'https://github.com/arbor-sim/arbor.git'
      url      = 'https://github.com/arbor-sim/arbor/releases/download/v0.5/arbor-v0.5-full.tar.gz'
      maintainers = ['bcumming', 'brenthuisman', 'haampie', 'halfflat']
  
      version('master', branch='master', submodules=True)
      version('0.5', 'd0c8a4c7f97565d7c30493c66249be794d1dc424de266fc79cecbbf0e313df59', url='https://github.com/arbor-sim/arbor/releases/download/v0.5/arbor-v0.5-full.tar.gz')
  
      variant('assertions', default=False, description='Enable arb_assert() assertions in code.')
      variant('doc', default=False, description='Build documentation.')
      variant('mpi', default=False, description='Enable MPI support')
      variant('neuroml', default=True, description='Build NeuroML support library.')
      variant('python', default=True, description='Enable Python frontend support')
      variant('vectorize', default=False, description='Enable vectorization of computational kernels')
  
      # https://arbor.readthedocs.io/en/latest/install/build_install.html?highlight=requirements#compilers
      conflicts('%gcc@:8.3')
      conflicts('%clang@:7')
      # Cray compiler v9.2 and later is Clang-based.
      conflicts('%cce@:9.1')
      conflicts('%intel')
  
      depends_on('cmake@3.12:', type='build')
  
      # misc dependencies
      depends_on('nlohmann-json')
      depends_on('cuda@10:', when='+cuda')
      depends_on('libxml2', when='+neuroml')
  
      # mpi
      depends_on('mpi', when='+mpi')
      depends_on('py-mpi4py', when='+mpi+python', type=('build', 'run'))
  
      # python (bindings)
      extends('python', when='+python')
      depends_on('python@3.6:', when="+python", type=('build', 'run'))
      depends_on('py-numpy', when='+python', type=('build', 'run'))
      depends_on('py-pybind11@2.6:', when='+python', type=('build', 'run'))
  
      # sphinx based documentation
      depends_on('python@3.6:', when="+doc", type='build')
      depends_on('py-sphinx', when="+doc", type='build')
      depends_on('py-svgwrite', when='+doc', type='build')
  
      @property
      def build_targets(self):
          return ['all', 'html'] if '+doc' in self.spec else ['all']
  
      def cmake_args(self):
          args = [
              self.define_from_variant('ARB_WITH_ASSERTIONS', 'assertions'),
              self.define_from_variant('ARB_WITH_MPI', 'mpi'),
              self.define_from_variant('ARB_WITH_NEUROML', 'neuroml'),
              self.define_from_variant('ARB_WITH_PYTHON', 'python'),
              self.define_from_variant('ARB_VECTORIZE', 'vectorize'),
          ]
  
          if '+cuda' in self.spec:
              args.append('-DARB_GPU=cuda')
  
          # rely on spack's compiler wrapper to set architecture
          args.append('-DARB_ARCH=')
  
          return args
  
subject: Add spack package file to the repository (#1466)