OpenDX: add new package (#15737)

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

@@ -0,0 +1,20 @@
+# 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)
+
+
+class Opendx(AutotoolsPackage):
+    """Open Visualization Data Explorer."""
+
+    homepage = "https://github.com/Mwoolsey/OpenDX"
+    git      = "https://github.com/Mwoolsey/OpenDX.git"
+
+    version('master', branch='master')
+
+    depends_on('motif')  # lesstif also works, but exhibits odd behaviors
+    depends_on('gl')
+
+    @run_before('autoreconf')
+    def distclean(self):
+        make('distclean')