diff --git a/makefiles/detect/macros.mk b/makefiles/detect/macros.mk
new file mode 100644
index 0000000..52e8f53
--- /dev/null
+++ b/makefiles/detect/macros.mk
@@ -0,0 +1,80 @@
+# -*- 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.
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+
+##--------------------##
+##---]  INCLUDES  [---##
+##--------------------##
+
+##---------------------##
+##---]  FUNCTIONS  [---##
+##---------------------##
+
+# -----------------------------------------------------------------------
+# Intent: Given a source type determine if sources are available:
+# -----------------------------------------------------------------------
+# Given:
+#   scalar  One of {GO,PYTHON,RST} - patterns from detect/src-by-ext.mk
+# Return:
+#   array - a list of files matching pattern:
+#     TRUE  - when files match pattern
+#     FALSE - otherwise (NULL/empty list)
+# -----------------------------------------------------------------------
+# Usage:
+#   getfiles()       - Raise an execption when files are unavailable.
+#   getfiles_noerr() - Used for iteration, NOP when source unavailable.
+#
+#   $(call getfiles,GO)
+#   files := $(call getfiles,GO)
+#
+#   $(foreach src,$(call getfiles_noerr,PYTHON),$(info ** SOURCE: $(src)))
+# -----------------------------------------------------------------------
+getfiles_noerr = $(filter $($(1)_ext),$(_raw_))
+getfiles = $(or $(filter $($(1)_ext),$(_raw_)),\
+  $(error File by extension $(1)=[$($(1)_ext)] not found))
+
+# -----------------------------------------------------------------------
+# Intent: Conditionally invoke a make function when sources are available
+# -----------------------------------------------------------------------
+# Usage:
+#    $(call if_enabled_call,GO,$(shell $(MAKE) lint-golang))
+# -----------------------------------------------------------------------
+if_enabled_call = $(if $(USE_$(1)),$(call $(2)))
+
+# -----------------------------------------------------------------------
+# Intent: Define a named variable when sources are detected.
+#   - If source type 'GO'     define USE_GO=
+#   - If source type 'PYTHON' define USE_PYTHON=
+# -----------------------------------------------------------------------
+# Usage:
+#    $(call useEnable,GO)
+#    $(info ** Golang source detection: USE_GO=$(USE_GO))
+# -----------------------------------------------------------------------
+useEnable	    = $(if $(call getfiles_noerr,$(1))$(USE_$(1)),$(eval USE_$(1):=1))
+
+# [EOF]