$(WORK)/linux-$(KERNEL_VERSION): $(WORK)/linux-$(KERNEL_VERSION).tar.xz $(PWD)/config-$(KERNEL_VERSION)
tar -C $(WORK) -xvf $(WORK)/linux-$(KERNEL_VERSION).tar.xz
$(WORK)/linux-$(KERNEL_VERSION): $(WORK)/linux-$(KERNEL_VERSION).tar.xz $(PWD)/config-$(KERNEL_VERSION)
tar -C $(WORK) -xvf $(WORK)/linux-$(KERNEL_VERSION).tar.xz