# 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 Umpire(CMakePackage):
    """An application-focused API for memory management on NUMA & GPU
    architectures"""

    homepage = 'https://github.com/LLNL/Umpire'
    git      = 'https://github.com/LLNL/Umpire.git'

    version('develop', branch='develop', submodules='True')
    version('master', branch='master', submodules='True')
    version('0.1.4', tag='v0.1.4', submodules='True')
    version('0.1.3', tag='v0.1.3', submodules='True')

    variant('cuda', default=False, description='Build with CUDA support')
    variant('fortran', default=False, description='Build C/Fortran API')

    depends_on('cuda', when='+cuda')
    depends_on('cmake@3.3:', type='build')

    def cmake_args(self):
        spec = self.spec

        options = []

        if '+cuda' in spec:
            options.extend([
                '-DENABLE_CUDA=On',
                '-DCUDA_TOOLKIT_ROOT_DIR=%s' % (spec['cuda'].prefix)])
        else:
            options.append('-DENABLE_CUDA=Off')

        if '+fortran' in spec:
            options.append('-DENABLE_FORTRAN=On')

        return options
