.Makefile
[source,Makefile]
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# Build Options
#   comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes  # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes   # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes   # Audio control and System control(+450)
CONSOLE_ENABLE = yes    # Console for debug(+400)
COMMAND_ENABLE = yes    # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
NKRO_ENABLE = yes       # USB Nkey Rollover - not yet supported in LUFA
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