1extron-da-hd-4k-plus-cec-objs := extron-da-hd-4k-plus.o cec-splitter.o 2obj-$(CONFIG_USB_EXTRON_DA_HD_4K_PLUS_CEC) := extron-da-hd-4k-plus-cec.o 3 4all: 5 $(MAKE) -C $(KDIR) M=$(shell pwd) modules 6 7install: 8 $(MAKE) -C $(KDIR) M=$(shell pwd) modules_install 9