chore(extend): add makefile and clang format config

Author: felix-kyun

extend/.clang-format

@@ -0,0 +1,12 @@
+BasedOnStyle: WebKit
+AlwaysBreakAfterReturnType: TopLevelDefinitions
+UseTab: Never
+IndentWidth: 4
+SortIncludes: true
+AlignConsecutiveDeclarations: true
+AlignConsecutiveAssignments: true
+AlignConsecutiveMacros: true
+ColumnLimit: 120
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: false
+AlignTrailingComments: true

extend/Makefile

@@ -0,0 +1,72 @@
+# Makefile
+CC := clang
+CFLAGS := -Wall -Wextra -Werror -pedantic -std=c23 \
+	-Wshadow -Wconversion -Wnull-dereference -Wformat=2 -Wundef
+LDFLAGS :=
+DEBUG_CFLAGS := -g -fsanitize=address,undefined,leak -O0
+DEBUG_LDFLAGS := -fsanitize=address,undefined,leak
+RELEASE_CFLAGS := -O3
+RELEASE_LDFLAGS := -flto
+
+TARGET := extend
+LIBS :=
+INCLUDE_DIR := include
+SOURCE_DIR := src
+BUILD_DIR := build
+TEST_DIR := tests
+
+# do not modify
+INCLUDES := -I$(INCLUDE_DIR)
+SOURCES := $(shell find $(SOURCE_DIR) -type f -name '*.c')
+OBJS := $(patsubst $(SOURCE_DIR)/%.c, $(BUILD_DIR)/%.o, $(SOURCES))
+DEPS := $(OBJS:.o=.d)
+-include $(DEPS)
+
+.PHONY: all
+all: release
+
+.PHONY: release
+release: CFLAGS += $(RELEASE_CFLAGS)
+release: LDFLAGS += $(RELEASE_LDFLAGS)
+release: $(TARGET)
+
+.PHONY: debug
+debug: CFLAGS += $(DEBUG_CFLAGS)
+debug: LDFLAGS += $(DEBUG_LDFLAGS)
+debug: $(TARGET)
+
+# for static libs use: ar rcs $@ $^ $(LIBS)
+$(TARGET): $(OBJS)
+	$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+$(BUILD_DIR)/%.o: $(SOURCE_DIR)/%.c | $(BUILD_DIR)
+	$(CC) -c $< -o $@ $(CFLAGS) $(INCLUDES) -MMD -MP
+
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+clean:
+	rm -rf $(BUILD_DIR) $(TARGET)
+
+setup:
+	@mkdir -p $(SOURCE_DIR) $(INCLUDE_DIR) $(TEST_DIR)
+
+dev:
+	bear -- $(MAKE) debug
+
+format:
+	@echo "Formatting code..."
+	@fd -ec -eh . -x clang-format -i {}
+
+watch-%:
+	@echo "Watching for changes..."
+	@fd -ec -eh . | entr -cd $(MAKE) -s $*
+
+.SECONDEXPANSION:
+test-%: CFLAGS += $(DEBUG_CFLAGS)
+test-%: LDFLAGS += $(DEBUG_LDFLAGS)
+test-%: $(TEST_DIR)/%.c $(SOURCE_DIR)/%.c $$(TEST_DEPS_$$*) | $(BUILD_DIR)
+	$(CC) -o $(BUILD_DIR)/test_$* $^ $(CFLAGS) $(INCLUDES) $(LDFLAGS)
+	@./$(BUILD_DIR)/test_$*
+
+.PHONY: clean setup dev format test-% watch-%