ifneq (${KERNELRELEASE},)

# KERNELRELEASE defined: we are being compiled as part of the Kernel
        obj-m := vga_led.o

else

# We are being compiled as a module: use the Kernel build system

	KERNEL_SOURCE := /usr/src/linux
        PWD := $(shell pwd)

default: module hello

module:
	${MAKE} -C ${KERNEL_SOURCE} SUBDIRS=${PWD} modules

clean:
	${MAKE} -C ${KERNEL_SOURCE} SUBDIRS=${PWD} clean
	${RM} hello

socfpga.dtb : socfpga.dtb
	dtc -O dtb -o socfpga.dtb socfpga.dts

OBJECTS=hello.o usbkeyboard.o

hello: hello.o usbkeyboard.o
	cc $(CFLAGS) -o hello $(OBJECTS) -lusb-1.0 -pthread

hello.o: hello.c

usbkeyboard.o : usbkeyboard.c usbkeyboard.h

endif 
