lanl-cmake-modules: new package (#27447)

Several projects have not yet added modern CMake support. This package
adds find_package support for some of these projects.

var/spack/repos/builtin/packages/lanl-cmake-modules/package.py

@@ -0,0 +1,17 @@
+# 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 LanlCmakeModules(CMakePackage):
+    '''CMake modules for projects that have not yet adopted modern CMake.
+    '''
+
+    maintainers = ['tuxfan']
+    homepage = 'https://tuxfan.github.io/lanl-cmake-modules'
+    git      = 'https://github.com/tuxfan/lanl-cmake-modules.git'
+
+    version('develop', branch='develop')