obj-m += mod_add.o
all:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

ins:
	sudo insmod mod_add.ko

rm:
	sudo rmmod mod_add
	sudo rm -f dev

nod: all ins
	sudo mknod dev c $(shell awk '$$2=="sad_dev" {print $$1}' /proc/devices) 0
	sudo chgrp wheel dev
	sudo chmod 664 dev

clean:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean