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# 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 Libsplash(CMakePackage):
    """libSplash aims at developing a HDF5-based I/O library for HPC
    simulations. It is created as an easy-to-use frontend for the standard HDF5
    library with support for MPI processes in a cluster environment. While the
    standard HDF5 library provides detailed low-level control, libSplash
    simplifies tasks commonly found in large-scale HPC simulations, such as
    iterative computations and MPI distributed processes.
    """

    homepage = "https://github.com/ComputationalRadiationPhysics/libSplash"
    url      = "https://github.com/ComputationalRadiationPhysics/libSplash/archive/v1.4.0.tar.gz"
    git      = "https://github.com/ComputationalRadiationPhysics/libSplash.git"
    maintainers = ['ax3l']

    version('develop', branch='dev')
    version('master', branch='master')
    version('1.7.0', sha256='51ab17c54233a8be86d7c5d59c755fb63a4a197315a510e5c49b20b070ebab73')
    version('1.6.0', sha256='4d068de85504dfafb11bbaf6f2725a442c1f611e7cf962a924931a6220dad0f4')
    version('1.5.0', sha256='a94547c416cee64bffd06736f61dd4e134f98a3da24117d52ee9f997c36d6b8d')
    version('1.4.0', sha256='b86f2af15e5a05df30d4791c4ddb99a1db7b727d51b84706525fe247cfc70c78')
    version('1.3.1', sha256='6ad04261e6d377a59b209f345af56405b37830f0dcfac28770b63091bff59383')
    version('1.2.4', sha256='f5c4f792fee5609ede6a7d2fee5fa5799d3b68e8cdc23001a3aba390394d2f36')

    variant('mpi', default=True,
            description='Enable parallel I/O (one-file aggregation) support')

    depends_on('cmake@3.10.0:', type='build', when='@1.7.0:')
    depends_on('hdf5@1.8.6: ~mpi', when='~mpi')
    depends_on('hdf5@1.8.6: +mpi', when='+mpi')
    depends_on('mpi', when='+mpi')

    patch('root_cmake_1.7.0.patch', when='@1.7.0')

    def cmake_args(self):
        spec = self.spec
        args = []

        if spec.satisfies('@1.7.0:'):
            args += [
                '-DSplash_USE_MPI:BOOL={0}'.format(
                    'ON' if '+mpi' in spec else 'OFF'),
                '-DSplash_USE_PARALLEL:BOOL={0}'.format(
                    'ON' if '+mpi' in spec else 'OFF')
            ]

        return args