##############################################################################
# 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 Zstd(MakefilePackage):
    """Zstandard, or zstd as short version, is a fast lossless compression
    algorithm, targeting real-time compression scenarios at zlib-level and
    better compression ratios."""

    homepage = "http://facebook.github.io/zstd/"
    url      = "https://github.com/facebook/zstd/archive/v1.1.2.tar.gz"

    version('1.3.0', '888660a850e33c2dcc7c4f9d0b04d347')
    version('1.1.2', '4c57a080d194bdaac83f2d3251fc7ffc')

    variant('pic', default=True, description='Build position independent code')

    def setup_environment(self, spack_env, run_env):
        if '+pic' in self.spec:
            spack_env.append_flags('CFLAGS', self.compiler.pic_flag)

    def install(self, spec, prefix):
        make('install', 'PREFIX={0}'.format(prefix))
