dev-utils.mk: Add target indent-makefiles

Signed-off-by: Jan Lindemann <jan@janware.com>

make/dev-utils.mk

@@ -1,6 +1,10 @@
 ifndef DEV_UTILS_MK_INCLUDED
 DEV_UTILS_MK_INCLUDED = true
 
+MAKEFILE_INDENT_EQUAL_POS ?= 35
+MAKEFILE_INDENT_NAME_REGEX ?= (\.mk$$|makefile$$|Makefile$$|GNUmakefile$$)
+MAKEFILE_INDENT_ROOT ?= .
+
 all:
 install:
 clean distclean:
@@ -23,4 +27,13 @@ install-to-system:
 		sudo systemctl restart $$s ;\
 	done
 
+indent-makefiles:
+	$(PYTHON) /opt/jw-python/bin/process-text-files.py \
+		indent-makefiles \
+		--equal-pos $(MAKEFILE_INDENT_EQUAL_POS) \
+		--skip-short 6 \
+		--name-regex="$(MAKEFILE_INDENT_NAME_REGEX)" \
+		--root=$(MAKEFILE_INDENT_ROOT) \
+		--min-assignments=4
+
 endif # ifndef DEV_UTILS_MK_INCLUDED

make/make.mk

@@ -5,6 +5,7 @@
 
 include $(MODDIR)/make/defs.mk
 include $(MODDIR)/make/defs-dirs.mk
+include $(MODDIR)/make/dev-utils.mk
 
 CACHED_FILES      ?= $(VERSION_FILE) $(wildcard $(TOPDIR)/make/project.conf)
 CACHED_VARS       ?= PROJECT PREREQ VERSION HEX_VERSION FULL_NAME