因为书上看不清楚哪里有空格，哪里没有，现在我对Makefie也不太懂
哪个大侠能改改哪里有问题阿
代码： 全选
#DEBUG = y
ifeq($(DEBUG),y)
DEBFLAGS = -O -g -DSCULL_DEBUG
else
DEBFLAGS = -O2
endif
CFLAGS += $(DEBFLAGS)
CFLAGS += -I$(LDDINC)
ifneq($(KERNELRELEASE),)
obj-m := simple_chrdev.o
else
KERNELDIR ?= /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
modules:
$(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINC=$(PWD)/../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