diff --git a/makefiles/detect/src-by-ext.mk b/makefiles/detect/src-by-ext.mk
new file mode 100644
index 0000000..859ca95
--- /dev/null
+++ b/makefiles/detect/src-by-ext.mk
@@ -0,0 +1,36 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2024 Open Networking Foundation Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2022-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent: This makefile will gather sources from the filesystem and
+#         dynamically enable targets and functionality based on extension.
+# -----------------------------------------------------------------------
+
+GRAPHVIZ_ext    = %.graphml
+GO_ext		    = %.go
+HTML_ext 	    = %.html
+JAVA_ext 	    = %.java
+PERL_ext 	    = %.pl %.pm
+PYTHON_ext 	    = %.py
+RST_ext 	    = %.rst
+SQL_ext 	    = %.sql
+SPREADSHEET_ext = %.ods %.xlsx
+VIEW_ext  	    = urls
+WORD_ext	    = %.odt %.docx
+
+# [EOF]