##############################################################################
# Copyright (c) 2013-2016, 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/llnl/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 XercesC(Package):
    """ Xerces-C++ is a validating XML parser written in a portable subset of C++.
    Xerces-C++ makes it easy to give your application the ability to read and
    write XML data. A shared library is provided for parsing, generating,
    manipulating, and validating XML documents using the DOM, SAX, and SAX2 APIs.
    """

    homepage = "https://xerces.apache.org/xerces-c"
    url      = "https://www.apache.org/dist/xerces/c/3/sources/xerces-c-3.1.4.tar.bz2"
    version('3.1.4', 'd04ae9d8b2dee2157c6db95fa908abfd')

    def install(self, spec, prefix):
        configure("--prefix=%s" % prefix,
                  "--disable-network")
        make("clean")
        make()
        make("install")


##############################################################################
# Copyright (c) 2013-2016, 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/llnl/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 XercesC(Package):
    """ Xerces-C++ is a validating XML parser written in a portable subset of C++.
    Xerces-C++ makes it easy to give your application the ability to read and
    write XML data. A shared library is provided for parsing, generating,
    manipulating, and validating XML documents using the DOM, SAX, and SAX2
    APIs.
    """

    homepage = "https://xerces.apache.org/xerces-c"
    url      = "https://www.apache.org/dist/xerces/c/3/sources/xerces-c-3.1.4.tar.bz2"
    version('3.1.4', 'd04ae9d8b2dee2157c6db95fa908abfd')

    def install(self, spec, prefix):
        configure("--prefix=%s" % prefix,
                  "--disable-network")
        make("clean")
        make()
        make("install")

Fix flake8 errors for Update the version of xerces-c, where the developers remove the old version, so there is no fallback.