# I am a comment, and I want to stay that the variable CC will be the compiler to use
CC=clang++

# Hey CFLAGS will be the options I'll pass to the compiler 
CFLAGS=-c -Wall

all: hello

hello: main.o factorial.o hello.o
	$(CC) main.o factorial.o hello.o -o hello

main.o: main.cpp
	$(CC) $(CFLAGS) main.cpp

factorial.o: factorial.cpp
	$(CC) $(CFLAGS) factorial.cpp

hello.o: hello.cpp
	$(CC) $(CFLAGS) hello.cpp

clean:
	rm *o
	rm hello