##############################################################################
# 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 Libgridxc(Package):
    """A library to compute the exchange and correlation energy and potential
       in spherical (i.e. an atom) or periodic systems."""

    homepage = "https://launchpad.net/libgridxc"
    url      = "https://launchpad.net/libgridxc/trunk/0.7/+download/libgridxc-0.7.6.tgz"

    version('0.7.6', 'a593f845d7565a168f1cf515a0a89879')

    phases = ['configure', 'install']

    def configure(self, spec, prefix):
        sh = which('sh')
        with working_dir('build', create=True):
            sh('../src/config.sh')
            copy('../extra/fortran.mk', 'fortran.mk')

    def install(self, spec, prefix):
        with working_dir('build'):
            make('PREFIX=%s' % self.prefix, 'FC=fc')
