1ifneq ($(KERNELRELEASE),) 2 obj-m := rtk_btusb.o 3 rtk_btusb-y = rtk_coex.o rtk_misc.o rtk_bt.o 4else 5 PWD := $(shell pwd) 6 KVER := $(shell uname -r) 7 KDIR := /lib/modules/$(KVER)/build 8 9all: 10 $(MAKE) -C $(KDIR) M=$(PWD) modules 11 12clean: 13 rm -rf *.o *.mod.c *.mod.o *.ko *.symvers *.order *.a *.mod .*.cmd 14 15endif 16