##############################################################################
# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
# Produced at International Business Machines Corporation
#
# This file is part of Spack.
# Created by Serban Maerean, serban@us.ibm.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/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 SpectrumMpi(Package):
    """
    IBM MPI implementation from Spectrum MPI.

    """

    homepage = "http://www-03.ibm.com/systems/spectrum-computing/products/mpi"
    url = "http://www-03.ibm.com/systems/spectrum-computing/products/mpi"

    provides('mpi')

    def install(self, spec, prefix):
        raise InstallError('IBM MPI is not installable; it is vendor supplied')

    def setup_dependent_package(self, module, dependent_spec):
        # get the compiler names
        if '%xl' in dependent_spec or '%xl_r' in dependent_spec:
            self.spec.mpicc = join_path(self.prefix.bin, 'mpixlc')
            self.spec.mpicxx = join_path(self.prefix.bin, 'mpixlC')
            self.spec.mpif77 = join_path(self.prefix.bin, 'mpixlf')
            self.spec.mpifc = join_path(self.prefix.bin, 'mpixlf')
        else:
            self.spec.mpicc = join_path(self.prefix.bin, 'mpicc')
            self.spec.mpicxx = join_path(self.prefix.bin, 'mpicxx')
            self.spec.mpif77 = join_path(self.prefix.bin, 'mpif77')
            self.spec.mpifc = join_path(self.prefix.bin, 'mpif90')

    def setup_dependent_environment(self, spack_env, run_env, dependent_spec):
        if '%xl' in dependent_spec or '%xl_r' in dependent_spec:
            spack_env.set('MPICC', join_path(self.prefix.bin, 'mpixlc'))
            spack_env.set('MPICXX', join_path(self.prefix.bin, 'mpixlC'))
            spack_env.set('MPIF77', join_path(self.prefix.bin, 'mpixlf'))
            spack_env.set('MPIF90', join_path(self.prefix.bin, 'mpixlf'))
        else:
            spack_env.set('MPICC', join_path(self.prefix.bin, 'mpicc'))
            spack_env.set('MPICXX', join_path(self.prefix.bin, 'mpic++'))
            spack_env.set('MPIF77', join_path(self.prefix.bin, 'mpif77'))
            spack_env.set('MPIF90', join_path(self.prefix.bin, 'mpif90'))

        spack_env.set('OMPI_CC', spack_cc)
        spack_env.set('OMPI_CXX', spack_cxx)
        spack_env.set('OMPI_FC', spack_fc)
        spack_env.set('OMPI_F77', spack_f77)