ifneq (${KERNELRELEASE},)
# KERNELRELEASE defined: we are being compiled as part of the Kernel
	obj-m := vga_ball.o
else

# We are being compiled as a module: use the Kernel build system
	KERNEL_SOURCE := /usr/src/linux-headers-$(shell uname -r)
	PWD := $(shell pwd)

CFLAGS += -Wall -Wextra -pthread
default: module hello
module:
	${MAKE} -C ${KERNEL_SOURCE} SUBDIRS=${PWD} modules
clean:
	${MAKE} -C ${KERNEL_SOURCE} SUBDIRS=${PWD} clean
	${RM} hello
TARFILES = Makefile README vga_ball.h vga_ball.c hello.c
TARFILE = lab3-sw.tar.gz
.PHONY : tar
tar : $(TARFILE)
(TARFILE) : $(TARFILES)
	tar zcfC $(TARFILE) .. $(TARFILES:%=lab3-sw/%)
endif
