makefile

三星公司的ARM芯片S3C2440的gpio驱动程序

# Add your debugging flag (or not) to CFLAGS
ifeq ($(DEBUG),y)
  DEBFLAGS = -O -g -DSCULL_DEBUG # "-O" is needed to expand inlines
else
  DEBFLAGS = -O2
endif

CFLAGS += $(DEBFLAGS)
CFLAGS += -I$(LDDINC)

ifneq ($(KERNELRELEASE),)
# call from kernel build system

#scull-objs := main.o pipe.o access.o

obj-m	:= gpio_2440.o

else

KERNELDIR = /usr/zsh/linux-2.6.13
PWD       := $(shell pwd)

modules:
	$(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINC=$(KERNELDIR)/include modules

endif



clean:
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions

depend .depend dep:
	$(CC) $(CFLAGS) -M *.c > .depend


ifeq (.depend,$(wildcard .depend))
include .depend
endif