Add Makefile with formatter helper (#521)

* Add Makefile with format target

* Use Makefile in CI

* Trigger clang-format on Makefile changes

.github/workflows/clang-format.yml

@@ -7,6 +7,7 @@ on:
       - 'Samples/Common/Sources/CrashTriggers/**'
       - '.github/workflows/clang-format.yml'
       - '.clang-format-ignore'
+      - 'Makefile'
 
 jobs:
   formatting-check:
@@ -27,8 +28,7 @@ jobs:
     - name: Check formatting
       id: check_format
       run: |
-        find $DIRS -name '*.c' -o -name '*.cpp' -o -name '*.h' -o -name '*.m' -o -name '*.mm' | \
-        xargs -r clang-format-18 -style=file -n -Werror 2> clang_format_errors.log
+        make check-format 2>clang_format_errors.log
 
     - name: Suggest formatting fixes
       if: failure()

Makefile

@@ -0,0 +1,33 @@
+# Directories to search
+SEARCH_DIRS = Sources Tests Samples/Common/Sources/CrashTriggers
+
+# File extensions to format
+FILE_EXTENSIONS = c cpp h m mm
+
+# Check for clang-format-18 first, then fall back to clang-format
+CLANG_FORMAT := $(shell command -v clang-format-18 2> /dev/null || command -v clang-format 2> /dev/null)
+
+# Define the default target
+.PHONY: format check-format
+
+all: format
+
+format:
+ifeq ($(CLANG_FORMAT),)
+	@echo "Error: clang-format or clang-format-18 is not installed. Please install it and try again."
+	@exit 1
+else
+	@echo "Using $(CLANG_FORMAT)"
+	find $(SEARCH_DIRS) $(foreach ext,$(FILE_EXTENSIONS),-name '*.$(ext)' -o) -false | \
+	xargs -r $(CLANG_FORMAT) -style=file -i
+endif
+
+check-format:
+ifeq ($(CLANG_FORMAT),)
+	@echo "Error: clang-format or clang-format-18 is not installed. Please install it and try again."
+	@exit 1
+else
+	@echo "Checking format using $(CLANG_FORMAT)"
+	@find $(SEARCH_DIRS) $(foreach ext,$(FILE_EXTENSIONS),-name '*.$(ext)' -o) -false | \
+	xargs -r $(CLANG_FORMAT) -style=file -n -Werror
+endif