ENH: support wmakeLnInclude of C++ template files (.tcc, .tpp, .txx)

- can be used to avoid confusion with source files

ENH: improve handling of '--' option termination (wmake scripts)

wmake/scripts/makeParser

@@ -6,7 +6,7 @@
 #   \\  /    A nd           | www.openfoam.com
 #    \\/     M anipulation  |
 #-------------------------------------------------------------------------------
-#   Copyright (C) 2019 OpenCFD Ltd.
+#     Copyright (C) 2019-2022 OpenCFD Ltd.
 #-------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
@@ -51,6 +51,9 @@ unset optRemoveFile optRemoveTmp optNoLines
 while [ "$#" -gt 0 ]
 do
     case "$1" in
+    ('') ;;
+    (- | --) shift; break ;;  # Stop option parsing
+
     (-h | -help*) printHelp ;;
 
     (-prefix=*)   prefix="${1#*=}" ;;