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# 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 Branson(CMakePackage):
    """Branson's purpose is to study different algorithms for parallel Monte
    Carlo transport. Currently it contains particle passing and mesh passing
    methods for domain decomposition."""

    homepage = "https://github.com/lanl/branson"
    url      = "https://github.com/lanl/branson/archive/0.82.tar.gz"
    git      = "https://github.com/lanl/branson.git"

    tags = ['proxy-app']

    version('develop', branch='develop')

    version('0.82', sha256='7d83d41d0c7ab9c1c906a902165af31182da4604dd0b69aec28d709fe4d7a6ec',
            preferred=True)
    version('0.81', sha256='493f720904791f06b49ff48c17a681532c6a4d9fa59636522cf3f9700e77efe4')
    version('0.8',  sha256='85ffee110f89be00c37798700508b66b0d15de1d98c54328b6d02a9eb2cf1cb8')

    depends_on('mpi@2:')
    depends_on('boost', when='@:0.81')
    depends_on('metis')
    depends_on('parmetis', when='@:0.82')

    root_cmakelists_dir = 'src'

    def cmake_args(self):
        spec = self.spec
        args = []
        args.append('-DCMAKE_C_COMPILER=%s' % spec['mpi'].mpicc)
        args.append('-DCMAKE_CXX_COMPILER=%s' % spec['mpi'].mpicxx)
        args.append('-DCMAKE_Fortran_COMPILER=%s' % spec['mpi'].mpifc)
        return args

    def install(self, spec, prefix):
        mkdir(prefix.bin)
        mkdir(prefix.doc)
        install('../spack-build/BRANSON', prefix.bin)
        install('LICENSE.md', prefix.doc)
        install('README.md', prefix.doc)