[VOL-4973] - Create repository igmpca

Makefile
makefiles
---------
  o Checkin basic makefile hierarchy to support linting targets.

Change-Id: I4bb3fc85ffb603cc01819ed644f773001a2ce7c8
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..adf6208
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,56 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF 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.
+# -----------------------------------------------------------------------
+
+.DEFAULT_GOAL := help
+
+TOP         ?= .
+MAKEDIR     ?= $(TOP)/makefiles
+
+$(if $(VERBOSE),$(eval export VERBOSE=$(VERBOSE))) # visible to include(s)
+
+##--------------------##
+##---]  INCLUDES  [---##
+##--------------------##
+-include config.mk#                    # per-repository config
+include $(MAKEDIR)/include.mk
+
+## -----------------------------------------------------------------------
+## Intent:
+## -----------------------------------------------------------------------
+all:
+
+## -----------------------------------------------------------------------
+## Intent: Common targets used to build and test the world
+## -----------------------------------------------------------------------
+.PHONY: build
+build ::
+
+.PHONY: build
+test  ::
+
+## -----------------------------------------------------------------------
+## Intent: Targets for removing generated content
+## -----------------------------------------------------------------------
+.PHONY: clean
+clean   ::
+	$(RM) 'invalid/foo/bar'
+
+.PHONY: sterile
+sterile :: clean
+	$(RM) -r 'invalid'
+
+# [EOF]