1 2ARCHS=x86_64 i386 3SDKROOT=/ 4CC=xcrun -sdk "$(SDKROOT)" cc 5CFLAGS=$(patsubst %, -arch %,$(ARCHS)) -g -Wall -Os -isysroot $(SDKROOT) 6 7all: jitter 8 9timer_jitter.o: timer_jitter.c 10 $(CC) -c -o $@ $< $(CFLAGS) 11 12cpu_number.o: cpu_number.s 13 $(CC) -c -o $@ $< $(CFLAGS) 14 15jitter: timer_jitter.o cpu_number.o 16 $(CC) -o $@ $^ $(CFLAGS) 17