Initial prep job for branching and tagging.

makefiles/
----------
  o Update copyright notice ending date to 2024.

libraries/bbsim.robot
---------------------
  o Cosmetic edit to create a dependency chagne.

config.mk
makefiles/lint/include.mk
makefiles/lint/robot.mk
makefiles/lint/robot/
-------------------------
  o Copy in latest lint-robot/ logic from repo:onf-make.
  o Re-enable robot source linting.  Makefile library include
    removed, maybe for early bulk cleanup efforts (?).

Change-Id: Ib88fc204284e174ad229bbc391bc9941583ae94b
diff --git a/makefiles/lint/robot/robot.mk b/makefiles/lint/robot/robot.mk
new file mode 100644
index 0000000..19a007b
--- /dev/null
+++ b/makefiles/lint/robot/robot.mk
@@ -0,0 +1,90 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2024 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-mod lint-robot-src
+
+have-robot-files := $(if $(strip $(ROBOT_FILES)),true)
+ROBOT_FILES      ?= $(error ROBOT_FILES= is required)
+
+robot-check      = $(activate) && rflint
+robot-check-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.
+## -----------------------------------------------------------------------
+ifndef NO-LINT-ROBOT
+  lint-robot-mode := $(if $(have-robot-files),mod,all)
+  lint       : lint-robot
+  lint-robot : lint-robot-$(lint-robot-mode)
+endif# NO-LINT-ROBOT
+
+## -----------------------------------------------------------------------
+## Intent: exhaustive robot syntax checking
+## -----------------------------------------------------------------------
+lint-robot-all:
+
+	$(call banner-enter,Target $@)
+
+	$(HIDE)$(MAKE) --no-print-directory lint-robot-version
+	@find . -iname '*.robot' -print0 \
+        | $(xargs-n1) bash -c "$(robot-check) $(robot-check-args)"
+	@echo "DONE"
+
+	$(call banner-leave,Target $@)
+
+## -----------------------------------------------------------------------
+## Intent: On-demand lint checking
+## -----------------------------------------------------------------------
+lint-robot-src:
+  ifndef ROBOT_SRC
+	@echo "ERROR: Usage: $(MAKE) $@ ROBOT_SRC="
+	@exit 1
+  endif
+
+	$(call banner-enter,Target $@)
+
+	$(HIDE)$(MAKE) --no-print-directory lint-robot-version
+	$(HIDE) $(robot-check-args) $(robot-check-args) $(ROBOT_SRC)
+
+	$(call banner-leave,Target $@)
+
+## -----------------------------------------------------------------------
+## Intent: Perform lint check on locally modified sources
+## -----------------------------------------------------------------------
+lint-robot-bygit = $(shell git ls-files -m -o | grep -i '\.robot')
+lint-robot-mod:
+	$(call banner-enter,Target $@)
+
+	$(HIDE)$(MAKE) --no-print-directory lint-robot-version
+	$(foreach fyl,$(lint-robot-bygit),$(robot-check) $(robot-check-args) $(fyl))
+
+	$(call banner-leave,Target $@)
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]