CC = clang
CFLAGS = -Wall -Wextra -Werror -O3
LDFLAGS = -flto
SRC_DIR = srcs
OBJ_DIR = obj
BUILD_DIR = build
HDR_DIR = hdrs
SRCS = $(wildcard $(SRC_DIR)/*.c)
OBJS = $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
LIBRARY = $(BUILD_DIR)/libft.a

all: $(LIBRARY)

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

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

$(LIBRARY): $(OBJS) | $(BUILD_DIR)
	$(AR) rcs $(LIBRARY) $(OBJS)

clean:
	rm -rf $(OBJ_DIR)/*.o

fclean: clean
	rm -rf $(BUILD_DIR)

re: fclean all

.PHONY: all clean fclean re