printf "\t@echo Building '%s' with FLASH: %3s KB, BOOT: %3s KB, MCU: %12s, BOARD: %s, F_USB: %sMHz\n" $$build_bootloader $$build_flashsize $$build_bootsize $$build_mcu $$build_board $$build_fusb >> BuildMakefile; \
printf "\t$(MAKE) -C $(patsubst %/,%,$(LUFA_ROOT))/Bootloaders/%s/ clean hex ARCH=%s MCU=%s BOARD=%s FLASH_SIZE_KB=%s BOOT_SECTION_SIZE_KB=%s F_USB=%s000000 DEBUG_LEVEL=0\n" $$build_bootloader $$build_arch $$build_mcu $$build_board $$build_flashsize $$build_bootsize $$build_fusb >> BuildMakefile; \
printf "\t@echo Building '%s' with FLASH: %3s KB, BOOT: %3s KB, MCU: %12s, BOARD: %s, F_USB: %sMHz\n" $$build_bootloader $$build_flashsize $$build_bootsize $$build_mcu $$build_board $$build_fusb >> BuildMakefile; \
printf "\t$(MAKE) -C $(patsubst %/,%,$(LUFA_ROOT))/Bootloaders/%s/ clean hex ARCH=%s MCU=%s BOARD=%s FLASH_SIZE_KB=%s BOOT_SECTION_SIZE_KB=%s F_USB=%s000000 DEBUG_LEVEL=0\n" $$build_bootloader $$build_arch $$build_mcu $$build_board $$build_flashsize $$build_bootsize $$build_fusb >> BuildMakefile; \