ex00: it works!

ex00/Makefile

@@ -0,0 +1,49 @@
+NAME = ex00
+ifeq ($(CPPFLAGS),)
+	CPPFLAGS = -Wall -Wextra -Werror -std=c++98 -ggdb -fsanitize=address,undefined
+endif
+ifeq ($(CXX),)
+	CXX = c++
+endif
+# g++ is the default on 42 computers
+ifeq ($(CXX),g++)
+	CXX = c++
+endif
+srcs = \
+	Animal.cpp \
+	Cat.cpp \
+	Dog.cpp \
+	WrongAnimal.cpp \
+	WrongDog.cpp \
+	WrongCat.cpp \
+
+main_objs = main.o $(srcs:.cpp=.o)
+all_objs = $(main_objs)
+deps = $(all_objs:.o=.d)
+
+.PHONY: all clean fclean re run
+
+all: $(NAME)
+
+-include $(deps)
+
+$(NAME): $(main_objs)
+	$(CXX) $(CPPFLAGS) -o $@ $^
+
+%.o: %.cpp
+	$(CXX) -c $(CPPFLAGS) -o $*.o $*.cpp
+	$(CXX) -MM $(CPPFLAGS) -MT $*.o $*.cpp > $*.d
+
+clean:
+	find . -name '*.o' -print -delete
+	find . -name '*.d' -print -delete
+
+fclean: clean
+	rm -f $(NAME)
+
+re:
+	+make fclean
+	+make all
+
+run: $(NAME)
+	./$(NAME)