default: depend all

crc32sum: crc32.o main.o
	$(CC) $(CFLAGS) crc32.o main.o -o crc32sum

crc32.o: crc32.c crc32.h
	$(CC) $(CFLAGS) -c crc32.c

main.o: main.c
	$(CC) $(CFLAGS) -c main.c

depend: .depend

.depend: *.c *.h
	$(CC) -E -MM *.c > .depend

all: crc32sum

test: crc32sum
	./crc32sum crc32.h crc32.c main.c
	cat crc32.h | ./crc32sum - crc32.h
	cat crc32.c | ./crc32sum crc32.c -
	cat main.c | ./crc32sum - main.c
	./crc32sum -x main.c
	./crc32sum -X main.c
	./crc32sum -d main.c

clean:
	- rm -f crc32sum *.o .depend