qmk_firmware/keyboards/duck/jetfire/rules.mk

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
MOUSEKEY_ENABLE = no       # Mouse keys
EXTRAKEY_ENABLE = no       # Audio control and System control
CONSOLE_ENABLE = yes        # Console for debug
COMMAND_ENABLE = yes        # Commands for debug and configuration
NKRO_ENABLE = no            # Enable N-Key Rollover
BACKLIGHT_ENABLE = yes       # Enable keyboard backlight functionality
RGBLIGHT_ENABLE = yes        # Enable keyboard RGB underglow
AUDIO_ENABLE = no           # Audio output

CUSTOM_MATRIX = yes
SRC += indicator_leds.c \
			 matrix.c duck_led/duck_led.c