refactor: fix the makefile problems

real_tests/Makefile

@@ -0,0 +1,36 @@
+NAME    	= real_tests
+CC				= cc
+CCFLAGS		= -Wall -Wextra -Werror -MMD -MP
+
+SRC     	= main.c
+SRC				+= ft_strlen/00_launcher.c ft_strlen/01_basic.c ft_strlen/02_null.c ft_strlen/03_large.c
+OBJ     	= $(SRC:.c=.o)
+
+LIBS    	= -L.. -lunit -L../libft -lft
+INC     	= -I. -I../framework -I../libft
+
+all: $(NAME)
+
+test: $(NAME)
+	./$(NAME)
+
+%.o: %.c Makefile
+	$(CC) $(CCFLAGS) $(INC) -c $< -o $@
+
+$(NAME): $(OBJ) | libunit
+	$(CC) $(CCFLAGS) $(INC) $(OBJ) $(LIBS) -o $(NAME)
+
+libunit:
+	$(MAKE) -C ..
+
+clean:
+	$(RM) $(OBJ) $(SRC:.c=.d)
+
+fclean: clean
+	$(RM) $(NAME)
+
+re: fclean all
+
+-include $(SRC:.c=.d)
+
+.PHONY: all clean fclean re libunit