##############################################################################
# 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 LICENSE file 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 Rsbench(MakefilePackage):
    """A mini-app to represent the multipole resonance representation lookup
       cross section algorithm."""

    homepage = "https://github.com/ANL-CESAR/RSBench"
    url = "https://github.com/ANL-CESAR/RSBench/archive/v2.tar.gz"

    version('2', '15a3ac5ea72529ac1ed9ed016ee68b4f')
    version('0', '3427634dc5e7cd904d88f9955b371757')

    tags = ['proxy-app']

    build_directory = 'src'

    @property
    def build_targets(self):
        targets = []

        cflags = '-std=gnu99'
        ldflags = '-lm'

        if self.compiler.name == 'gcc':
            cflags += ' -ffast-math '
        elif self.compiler.name == 'intel':
            cflags += ' -xhost -ansi-alias -no-prec-div '
        elif self.compiler.name == 'pgi':
            cflags += ' -fastsse '

        cflags += self.compiler.openmp_flag

        targets.append('CFLAGS={0}'.format(cflags))
        targets.append('LDFLAGS={0}'.format(ldflags))

        return targets

    def install(self, spec, prefix):
        mkdir(prefix.bin)
        install('src/rsbench', prefix.bin)
