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diff --git a/var/spack/repos/builtin/packages/portage/package.py b/var/spack/repos/builtin/packages/portage/package.py
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+++ b/var/spack/repos/builtin/packages/portage/package.py
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+##############################################################################
+# Copyright (c) 2017, Los Alamos National Security, LLC
+# Produced at the Los Alamos 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 Portage(CMakePackage):
+    """Portage is a framework that computational physics applications can use
+       to build a highly customized, hybrid parallel (MPI+X) conservative
+       remapping library for transfer of field data between meshes.
+    """
+    homepage = "http://portage.lanl.gov/"
+    url      = "https://github.com/laristra/portage/tarball/v1.0"
+
+    version('develop', git='https://github.com/laristra/portage', branch='master', submodules=False)
+
+    variant('debug', default=False, description='Build debug version')
+    variant('mpi', default=True, description='Support MPI')
+
+    depends_on("cmake@3.1:", type='build')
+    depends_on('mpi', when='+mpi')
+
+    # drop when #3958 has been merged
+    def do_fetch(self, mirror_only=True):
+        super(Portage, self).do_fetch(mirror_only)
+        git = which("git")
+        git('submodule', 'update', '--init', '--recursive')
+
+    def build_type(self):
+        spec = self.spec
+        if '+debug' in spec:
+            return 'Debug'
+        else:
+            return 'Release'
+
+    def cmake_args(self):
+        options = ['-DENABLE_UNIT_TESTS=ON', '-DENABLE_APP_TESTS=ON']
+
+        if '+mpi' in self.spec:
+            options.extend([
+                '-DENABLE_MPI=ON',
+                '-DENABLE_MPI_CXX_BINDINGS=ON'
+            ])
+        else:
+            options.append('-DENABLE_MPI=OFF')
+
+        return options