CPPFLAGS += -DNO_PROTOTYPES=1 -DHZ=100
  LDLIBS += -lm
  
  all: dhrystone
  
  dhrystone: dhry_1.o dhry_2.o
  	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
  
  clean:
  	rm -f *.o dhrystone
  
  .PHONY: all clean