makefile~

这是在linux下

CROSS = arm-elf-
#CROSS = arm-linux-

CC =     $(CROSS)gcc
AS =     $(CROSS)as
AR =     $(CROSS)ar
LD =     $(CROSS)ld
NM =     $(CROSS)nm
RM =     rm
OBJCOPY = $(CROSS)objcopy
BIN2C   = ./tools/bin2c
ZIP     = gzip

OUT_OBJECT = rtc_ticket
CFLAGS = -g -Wall -fno-builtin -nostdlib -I.
AFLAGS = -g -Wall -mapcs-32 -msoft-float -mno-fpu -I.
LDFLAGS= $(CFLAGS) -Wl,-elf2flt
LIBGCC = $(shell $(CC) -msoft-float -print-libgcc-file-name) 
#LIBGCC =
.EXPORT_ALL_VARIABLES:


OBJ = 44binit.o util.o 44blib.o 44btest.o 

all: $(OUT_OBJECT).bin

$(OUT_OBJECT).bin: $(OUT_OBJECT)
	$(OBJCOPY) -O binary \
		--only-section=.init \
		--only-section=.text \
		--only-section=.rodata \
		--only-section=.data \
		--only-section=.bss $(OUT_OBJECT) $(OUT_OBJECT).bin

$(OUT_OBJECT): $(OBJ)
	$(LD) -p -X -T $(OUT_OBJECT).ld $(OBJ) $(LIBGCC) -Map $(OUT_OBJECT).map -o $(OUT_OBJECT)

clean:
	$(RM) -rf *.o $(OUT_OBJECT) $(OUT_OBJECT).bin $(OUT_OBJECT).map


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

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