Makefile

Makefile

CC := gcc
AR := ar
CFLAGS_COMMON := -I./include -Wall -Wextra -Wpedantic -std=c11 -pthread \
                 -D_GNU_SOURCE -fPIC -fstack-protector-strong \
                 -fvisibility=hidden -pipe -Wunreachable-code \
                 -Wno-unused-parameter

SECURITY_FLAGS := -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security \
                  -Werror=format-security -fstack-clash-protection \
                  -fcf-protection=full -Wconversion -Wshadow

BUILD_TYPE ?= release
ifeq ($(BUILD_TYPE),debug)
    CFLAGS := $(CFLAGS_COMMON) $(SECURITY_FLAGS) -g -O1 -DDEBUG \
              -fsanitize=address -fsanitize=undefined
    LDFLAGS := -pthread -fsanitize=address -fsanitize=undefined
    BUILD_DIR := build/debug
else
    CFLAGS := $(CFLAGS_COMMON) $(SECURITY_FLAGS) -O2 -DNDEBUG \
              -fdata-sections -ffunction-sections
    LDFLAGS := -pthread -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now \
               -Wl,--gc-sections
    BUILD_DIR := build/release
endif

SRC_DIR := src
TEST_DIR := test
OBJ_DIR := $(BUILD_DIR)/obj
BIN_DIR := $(BUILD_DIR)/bin
LIB_DIR := $(BUILD_DIR)/lib

SRC_FILES := $(filter-out $(SRC_DIR)/main.c, $(wildcard $(SRC_DIR)/*.c))
OBJ_FILES := $(SRC_FILES:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
MAIN_OBJ := $(OBJ_DIR)/main.o

TEST_SRC := $(wildcard $(TEST_DIR)/*.c)
TEST_BINS := $(TEST_SRC:$(TEST_DIR)/%.c=$(BIN_DIR)/%)

LIB_NAME := libmemstrategy.a
STATIC_LIB := $(LIB_DIR)/$(LIB_NAME)

MAIN_BIN := $(BIN_DIR)/memory_strategy

MAIN_SRCS := src/main.c \
             src/default_strategy.c \
             src/memory_stats.c \
             src/memory_fragmentation.c \
             src/memory_sanitization.c \
             src/strategy_status.c \
             src/memory_pool_strategy.c \
             src/memory_defrag.c \
             src/memory_pattern_analyzer.c \
             src/strategy_validator.c

MAIN_OBJS := $(MAIN_SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)

.PHONY: all clean test debug release build_tests docs

all: $(MAIN_BIN) $(STATIC_LIB)

debug:
	$(MAKE) BUILD_TYPE=debug

release:
	$(MAKE) BUILD_TYPE=release

$(BUILD_DIR) $(OBJ_DIR) $(BIN_DIR) $(LIB_DIR):
	mkdir -p $@

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
	$(CC) $(CFLAGS) -c $< -o $@

$(MAIN_BIN): $(MAIN_OBJS) | $(BIN_DIR)
	$(CC) $(MAIN_OBJS) -o $@ $(LDFLAGS)

$(STATIC_LIB): $(OBJ_FILES) | $(LIB_DIR)
	$(AR) rcs $@ $^

build_tests: $(TEST_BINS)

$(BIN_DIR)/%: $(TEST_DIR)/%.c $(STATIC_LIB) | $(BIN_DIR)
	$(CC) $(CFLAGS) $< $(STATIC_LIB) -o $@ $(LDFLAGS)

test: build_tests
	@for test in $(TEST_BINS); do \
		echo "Running $$test..."; \
		$$test || exit 1; \
	done

docs: | $(BUILD_DIR)
	doxygen Doxyfile
	@echo "Documentation generated in docs/ directory"

clean:
	rm -rf build docs
	find . -name "*.o" -type f -delete
	find . -name "*.d" -type f -delete
	find . -type f -name "test_*" ! -path "*/test/*" -delete