.PHONEY: build object_code optimal assembly preprocess clean

build:
	gcc hello.c -o hello

object_code:
	 gcc hello.c -c

optimal:
	gcc hello.c -O1 -o hello_optimal

assembly:
	gcc hello.c -S

preprocess:
	gcc hello.c -E

clean:
	rm -rf hello hello_optimal hello.o hello.s