makefile

AT9260处理器Linux2.6.24内核通用IO驱动程序

#############################################################################
#
#	Makefile for building the V300 config module
#
#############################################################################

ifeq ($(DEBUG),y)
	EXTRA_CFLAGS += -O -g		# -O is need to expand inlines
else
	EXTRA_CFLAGS += -O2
endif

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

obj-m	:= gpio.o

else

PWD       := $(shell pwd)

GUMSTIX_BUILDROOT	= /home/luo/smartswitch/gpio/driver
BUILD_ARM		= $(wildcard $(GUMSTIX_BUILDROOT)/build_arm*)
#KERNELDIR 		= /media/disk/home/luo/at91rm9200/linux-2.6.12
KERNELDIR              = /home/luo/hongchang/linux-2.6.24
#CROSS_COMPILE		=/usr/local/arm/3.4.1/bin/arm-linux- 
CROSS_COMPILE			= arm-none-linux-gnueabi-

default: kernel-module

.PHONY: kernel-module

TARGET_ARCH=-Os -march=armv5te -mtune=xscale -Wa,-mcpu=xscale
CC = $(CROSS_COMPILE)gcc

kernel-module:
	$(MAKE) -C $(KERNELDIR) M=$(PWD) ARCH=arm CROSS_COMPILE=$(CROSS_COMPILE) modules

endif

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

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

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