qmk_firmware_custom/keyboards/sol/keymaps/xulkal/rules.mk

# Build Options
#   change to "no" to disable the options, or define them in the Makefile in
#   the appropriate keymap folder that will get included automatically
#
BOOTMAGIC_ENABLE        = no    # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE         = no    # Mouse keys(+4700)
EXTRAKEY_ENABLE         = yes   # Audio control and System control(+450)
CONSOLE_ENABLE          = no    # Console for debug(+400)
COMMAND_ENABLE          = no    # Commands for debug and configuration
NKRO_ENABLE             = no    # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
RGBLIGHT_ENABLE         = no    # Enable global lighting effects. Do not enable with RGB Matrix
RGBLIGHT_ANIMATIONS     = no    # LED animations
LED_MIRRORED            = no    # Mirror LEDs across halves (enable DIP 1 on slave, and DIP 2 and 3 on master)
RGB_MATRIX_ENABLE       = WS2812    # Enable per-key coordinate based RGB effects. Do not enable with RGBlight (+8500)
RGB_MATRIX_KEYPRESSES   = no    # Enable reactive per-key effects. Can be very laggy (+1500)
RGBLIGHT_FULL_POWER     = no    # Allow maximum RGB brightness. Otherwise, limited to a safe level for a normal USB-A port
UNICODE_ENABLE          = no    # Unicode
SWAP_HANDS_ENABLE       = no    # Enable one-hand typing
OLED_DRIVER_ENABLE      = yes   # Enable the OLED Driver (+5000)
ENCODER_ENABLE          = no    # Enable rotary encoder (+90)
IOS_DEVICE_ENABLE       = no    # Limit max brightness to connect to IOS device (iPad,iPhone)

# Do not edit past here

ifeq ($(strip $(IOS_DEVICE_ENABLE)), yes)
    OPT_DEFS += -DIOS_DEVICE_ENABLE
else ifeq ($(strip $(RGBLIGHT_FULL_POWER)), yes)
    OPT_DEFS += -DRGBLIGHT_FULL_POWER
endif

ifeq ($(strip $(RGB_MATRIX_KEYPRESSES)), yes)
    OPT_DEFS += -DRGB_MATRIX_KEYPRESSES
endif

ifeq ($(strip $(LED_MIRRORED)), yes)
    OPT_DEFS += -DLED_MIRRORED
endif