\
printf "\t@echo Building bootloader %s - %s - FLASH: %s KB, BOOT: %s KB\n" $$build_bootloader $$build_mcu $$build_flashsize $$build_bootsize >> BuildMakefile; \
printf "\t$(MAKE) -s -C $(patsubst %/,%,$(LUFA_PATH))/../Bootloaders/%s/ clean elf ARCH=%s MCU=%s BOARD=%s FLASH_SIZE_KB=%s BOOT_SECTION_SIZE_KB=%s\n\n" $$build_bootloader $$build_arch $$build_mcu $$build_board $$build_flashsize $$build_bootsize >> BuildMakefile; \
\
printf "\t@echo Building bootloader %s - %s - FLASH: %s KB, BOOT: %s KB\n" $$build_bootloader $$build_mcu $$build_flashsize $$build_bootsize >> BuildMakefile; \
printf "\t$(MAKE) -s -C $(patsubst %/,%,$(LUFA_PATH))/../Bootloaders/%s/ clean elf ARCH=%s MCU=%s BOARD=%s FLASH_SIZE_KB=%s BOOT_SECTION_SIZE_KB=%s\n\n" $$build_bootloader $$build_arch $$build_mcu $$build_board $$build_flashsize $$build_bootsize >> BuildMakefile; \