##############################################################################
# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/spack/spack
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################

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