New package: parallelmergetree (#17501)

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

@@ -0,0 +1,34 @@
+# 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 Parallelmergetree(CMakePackage):
+    """A multi-runtime implementation of a distributed merge tree
+    segmentation algorithm. The implementation relies on the framework
+    BabelFlow, which allows to execute the algorithm on different runtime
+    systems."""
+
+    homepage = "https://bitbucket.org/cedmav/parallelmergetree"
+    git      = "https://bitbucket.org/cedmav/parallelmergetree.git"
+
+    maintainers = ['spetruzza']
+
+    version('develop',
+            commit='6774ed74fd13b9747ac792978a676ce6e8b05cab',
+            submodules=True)
+
+    depends_on('babelflow@develop')
+
+    variant("shared", default=True, description="Build ParallelMergeTree as shared libs")
+
+    def cmake_args(self):
+        args = [
+            '-DBUILD_SHARED_LIBS:BOOL={0}'.format(
+                'ON' if '+shared' in spec else 'OFF'),
+            '-DLIBRARY_ONLY=ON'
+        ]
+        return args