[VOL-4973] - Create repository igmpca

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

Change-Id: I4bb3fc85ffb603cc01819ed644f773001a2ce7c8
diff --git a/makefiles/lint/robot.mk b/makefiles/lint/robot.mk
new file mode 100644
index 0000000..9ba28b0
--- /dev/null
+++ b/makefiles/lint/robot.mk
@@ -0,0 +1,96 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2023 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.
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+.PHONY: lint-robot lint-robot-all lint-robot-modified
+
+have-robot-files := $(if $(ROBOT_FILES),true)
+ROBOT_FILES      ?= $(error ROBOT_FILES= required)
+
+LINT_ARGS ?= --verbose --configure LineTooLong:130 -e LineTooLong \
+             --configure TooManyTestSteps:65 -e TooManyTestSteps \
+             --configure TooManyTestCases:50 -e TooManyTestCases \
+             --configure TooFewTestSteps:1 \
+             --configure TooFewKeywordSteps:1 \
+             --configure FileTooLong:2000 -e FileTooLong \
+             -e TrailingWhitespace
+
+## -----------------------------------------------------------------------
+## Intent: Use the robot command to perform syntax checking.
+##   % make lint
+##   % make lint-robot-all
+##   % make lint-robot-modified
+## -----------------------------------------------------------------------
+ifndef NO-LINT-ROBOT
+  lint-robot-mode := $(if $(have-robot-files),modified,all)
+  lint : lint-robot-$(lint-robot-mode)
+endif# NO-LINT-ROBOT
+
+## -----------------------------------------------------------------------
+## Intent: exhaustive robot syntax checking
+## -----------------------------------------------------------------------
+lint-robot-all:
+	$(HIDE)$(MAKE) --no-print-directory rflint-install
+
+	$(activate)\
+ && find . \( -iname '*.robot' \) -print0 \
+	| $(xargs-n1) rflint $(LINT_ARGS)
+
+## -----------------------------------------------------------------------
+## Intent: check deps for format and python3 cleanliness
+## Note:
+##   robot --py3k option no longer supported
+## -----------------------------------------------------------------------
+lint-robot-modified: $(venv-activate-script)
+	$(HIDE)$(MAKE) --no-print-directory rflint-install
+
+	$(activate) && rflint $(LINT_ARGS) $(ROBOT_FILES)
+
+## -----------------------------------------------------------------------
+## Intent: Install the rflint command for syntax checking.
+##   Note: requirements.txt pip install not used here ATM due to implicit
+##         per-repository dependency config to enable checking.
+## -----------------------------------------------------------------------
+rflint-install: $(venv-activate-script)
+	@echo
+	@echo "** -----------------------------------------------------------------------"
+	@echo "** robot syntax checking"
+	@echo "** -----------------------------------------------------------------------"
+	$(activate)\
+ && pip install --upgrade robotframework-lint
+	$(activate) && rflint --version
+	@echo
+
+## -----------------------------------------------------------------------
+## Intent: Display command usage
+## -----------------------------------------------------------------------
+help::
+	@echo '  lint-robot            Syntax check python using the robot command'
+
+help-verbose += help-lint-robot-verbose
+help-lint-robot-verbose:
+	@echo '  $(MAKE) lint-robot ROBOT_FILES=...'
+	@echo '  lint-robot-all        robot checking: exhaustive'
+	@echo '  lint-robot-modified   robot checking: only modified'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]