- $(MAKE) -s -f makefile.test clean elf ARCH=AVR8 MCU=at90usb1287 CCFLAGS='-D USB_DEVICE_ONLY'\r
- $(MAKE) -s -f makefile.test clean elf ARCH=AVR8 MCU=at90usb1287 CCFLAGS='-D USB_HOST_ONLY'\r
+ $(MAKE) -s -f makefile.test clean elf ARCH=AVR8 MCU=at90usb1287 CC_FLAGS='-D USB_DEVICE_ONLY'\r
+ $(MAKE) -s -f makefile.test clean elf ARCH=AVR8 MCU=at90usb1287 CC_FLAGS='-D USB_HOST_ONLY'\r