makefile

看门狗的源码

CROSS_COMPILE	:=arm-linux-
CC		:=$(CROSS_COMPILE)gcc
LD		:=$(CROSS_COMPILE)ld
NM		:=$(CROSS_COMPILE)nm
OBJCOPY		:=$(CROSS_COMPILE)objcopy
OBJDUMP		:=$(CROSS_COMPILE)objdump
AFLAGS 		:=-D__ASSEMBLY__
CFLAGS 		:=-Wall -O2 -fPIC -fomit-frame-pointer
LIBPATH		:=-L/usr/local/arm/2.95.3/arm-linux/lib \
		-L/usr/local/arm/2.95.3/lib/gcc-lib/arm-linux/2.95.3
CLIBS		:=-Bstatic -lc -lgcc

head:head.o main.o
	$(LD) -T head.lds $^ -o head.elf $(LIBPATH) $(CLIBS)
	@$(NM) -l head.elf > head.map
	@$(OBJCOPY) head.elf head -S -O binary -R .comment -R .stab -R .stabstr

%.o:%.S
	$(CC) $(AFLAGS) -c -o $@ $<

%.o:%.c
	$(CC) $(CFLAGS) -c -o $@ $<
.PHONY: clean objdump
clean:
	rm -fr *.obj *.o head.elf head *.map assembler
objdump:
	$(OBJDUMP) -xd head.elf >>assembler