求下面这段makefile程序运行结果
CC=gcc
AS=as
LD=ld
CFLAGS=-C-|- -|/include
ASFLAGS=
LDFLAGS=-Map map.txt-T linkcmds-L./lib
OBJS=1.O 2.O 3.O
ALL: monitor.elf
%.o: %.c
${CC} ${CFLAGS} -o $@ $<
monitor.elf: ${OBJS}
${LD} ${LDFLAGS} -o monitor.elf
${OBJS} -lmonitor
clean:
rm -rf *.o *.elf