CC      := gcc
CFLAGS  := -Wall -Wextra -g -fsanitize=address,undefined $(shell sdl2-config --cflags)
CFLAGS  += -O3 -march=native -fopt-info-optimized
#CFLAGS += -fsanitize=address
LDFLAGS := $(shell sdl2-config --libs)
TARGET  := game_of_life

SRC_DIR := src
BLD_DIR := build

SRCS    := $(filter-out $(SRC_DIR)/main.c, $(wildcard $(SRC_DIR)/*.c))
OBJS    := $(patsubst $(SRC_DIR)/%.c, $(BLD_DIR)/%.o, $(SRCS))

.PHONY: all clean fclean re

all: $(BLD_DIR) $(TARGET)

$(BLD_DIR):
	mkdir -p $(BLD_DIR)

$(TARGET): $(OBJS) $(SRC_DIR)/main.c
	$(CC) $(CFLAGS) $(SRC_DIR)/main.c $(OBJS) -o $(TARGET) $(LDFLAGS)

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

clean:
	rm -rf $(BLD_DIR)

fclean: clean
	rm -f $(TARGET)

run:
	./$(TARGET)

re: fclean all