add new package: datatransferkit (#17158)

* add new package: datatransferkit

* fix style

* remove the build type;add~dtk;'shared' variant;homepage

* add maintainer

var/spack/repos/builtin/packages/datatransferkit/package.py

@@ -0,0 +1,46 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Datatransferkit(CMakePackage):
+    """DataTransferKit is an open-source software library of
+    parallel solution transfer services for multiphysics simulations"""
+
+    homepage = "https://datatransferkit.readthedoc.io"
+    url      = "https://github.com/ORNL-CEES/DataTransferKit/archive/3.1-rc1.tar.gz"
+    git      = "https://github.com/ORNL-CEES/DataTransferKit.git"
+
+    maintainers = ['Rombur']
+
+    version('master', branch='master', submodules=True)
+
+    variant('openmp', default=False, description='enable OpenMP backend')
+    variant('serial', default=True, description='enable Serial backend (default)')
+    variant('shared', default=True,
+            description='enable the build of shared lib')
+
+    depends_on('cmake', type='build')
+    depends_on('trilinos@develop+intrepid2+shards~dtk', when='+serial')
+    depends_on('trilinos@develop+intrepid2+shards+openmp~dtk', when='+openmp')
+
+    def cmake_args(self):
+        spec = self.spec
+
+        options = [
+            '-DBUILD_SHARED_LIBS:BOOL=%s' % (
+                'ON' if '+shared' in spec else 'OFF'),
+            '-DDataTransferKit_ENABLE_DataTransferKit=ON',
+            '-DDataTransferKit_ENABLE_TESTS=OFF',
+            '-DDataTransferKit_ENABLE_EXAMPLES=OFF',
+            '-DCMAKE_CXX_EXTENSIONS=OFF',
+            '-DCMAKE_CXX_STANDARD=14',
+        ]
+
+        if '+openmp' in spec:
+            options.append('-DDataTransferKit_ENABLE_OpenMP=ON')
+
+        return options