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

real_tests/main.c

@@ -0,0 +1,5 @@
+#include "tests.h"
+
+int main(void) {
+  strlen_launcher();
+}

real_tests/tests.h

@@ -6,7 +6,7 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:32:30 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:33:14 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 18:40:48 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,9 @@
 
 # include "libunit.h"
 
+// LAUNCHERS
+int strlen_launcher(void);
+
 // strlen
 int test_basic(void);
 int test_null(void);