modname := usb_gpio obj-m := $(modname).o DEFINES := -DDEBUG ccflags-y= $(DEFINES) KVERSION := $(shell uname -r) KDIR := /lib/modules/$(KVERSION)/build PWD := "$$(pwd)" default: $(MAKE) -C $(KDIR) M=$(PWD) modules clean: $(MAKE) -C $(KDIR) M=$(PWD) clean rm -rf *~ load: -/sbin/rmmod $(modname) /sbin/insmod $(modname).ko