[VOL-4973] - Create repository igmpca

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

Change-Id: I4bb3fc85ffb603cc01819ed644f773001a2ce7c8
diff --git a/makefiles/lint/golang/include.mk b/makefiles/lint/golang/include.mk
new file mode 100644
index 0000000..5289a39
--- /dev/null
+++ b/makefiles/lint/golang/include.mk
@@ -0,0 +1,33 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2023 Open Networking Foundation
+#
+# 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  [---##
+##-------------------##
+
+## -----------------------------------------------------------------------
+## Intent: Display command usage
+## -----------------------------------------------------------------------
+help::
+	@echo '  lint-golang           Syntax check golang sources'
+	@echo '    FIX=1               In-place file update'
+
+include $(MAKEDIR)/lint/golang/sca.mk
+
+# [EOF]
diff --git a/makefiles/lint/golang/sca.mk b/makefiles/lint/golang/sca.mk
new file mode 100644
index 0000000..20af593
--- /dev/null
+++ b/makefiles/lint/golang/sca.mk
@@ -0,0 +1,114 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2023 Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+.PHONY: lint-golang lint-golang-sca-all lint-golang-sca-modified
+
+GOLANG_FILES ?= $(error GOLANG_FILES= is required)
+
+$(info loading)
+## -----------------------------------------------------------------------
+## Intent: Use the golang command to perform syntax checking.
+##   o If UNSTABLE=1 syntax check all sources
+##   o else only check sources modified by the developer.
+## Usage:
+##   % make lint UNSTABLE=1
+##   % make lint-golang-all
+## -----------------------------------------------------------------------
+ifndef NO-LINT-GOLANG
+  lint-golang-mode := $(if $(have-golang-files),modified,all)
+  lint : lint-golang-sca-$(lint-golang-mode)
+
+  lint-golang-all      : lint-golang-sca-all
+  lint-golang-modified : lint-golang-sca-modified
+endif# NO-LINT-GOLANG
+
+## -----------------------------------------------------------------------
+## Intent: exhaustive golint syntax checking
+## -----------------------------------------------------------------------
+## Intent: Run goformat on files on sandbox files.
+##   1) find . -name '*.go' -print0
+##      - gather all *.go sources (-name '*.go')
+##      - pass as a list of null terminated items (-print0)
+##   2) xargs --null --max-args=[n] --no-run-if-empty gofmt -d
+##      - Iterate over the list (xargs --null)
+##      - process one item per line (--max-args=1)
+##      - display filename-to-check (--verbose)
+##      - display content when diffs are detected:
+##           gofmt -d
+##           gofmt -d -s
+## -----------------------------------------------------------------------
+lint-golang-sca-xargs := $(null)
+lint-golang-sca-xargs += --null#+           # Source paths are null terminated
+lint-golang-sca-xargs += --max-args=1#+     # Check one file at a time
+lint-golang-sca-xargs += --no-run-if-empty
+lint-golang-sca-xargs += --verbose#+        # Display source path to check
+
+## [INPLACE-EDITS] make lint-golang-sca FIX=1
+ifdef FIX
+  lint-golang-sca-args += -w
+endif
+
+gofmt-args += -d# Do not output reformatted lines
+# gofmt-args += -e# Display all errors (including spurious)
+gofmt-args += -s# Try to simplify code
+
+## -----------------------------------------------------------------------
+## Intent: exhaustive golang syntax checking
+## -----------------------------------------------------------------------
+lint-golang-sca-all: $(venv-activate-script)
+#       $(MAKE) --no-print-directory lint-sca-install
+
+	find . -name '*.go' -print0 \
+	    | xargs $(lint-golang-sca-xargs) gofmt $(gofmt-args)
+
+## -----------------------------------------------------------------------
+## Intent: check deps for format and cleanliness
+## -----------------------------------------------------------------------
+lint-golang-sca-modified: lint-golang-all
+#	$(MAKE) --no-print-directory lint-golang-sca-install
+
+	gofmt $(gofmt-args) $(GOLANG_FILES)
+
+## -----------------------------------------------------------------------
+## Intent: Tool installation as needed
+## -----------------------------------------------------------------------
+.PHONY: lint-golang-sca-install
+lint-golang-sca-install:
+	@echo
+	@echo "** -----------------------------------------------------------------------"
+	@echo "** golang syntax checking"
+	@echo "** -----------------------------------------------------------------------"
+	@echo
+
+## -----------------------------------------------------------------------
+## Intent: Display target help
+## -----------------------------------------------------------------------
+.PHONY: help-golang-sca
+help-verbose += help-golang-sca
+help-golang-sca :
+	@echo "  % $(MAKE) lint-golang GOLANG_FILES=..."
+	@echo '  lint-golang-sca-modified  golang checking: only modified'
+	@echo '  lint-golang-sca-all       golang checking: exhaustive'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]