keychron_qmk_firmware/keyboards/lily58/rules.mk
Jonathan Rascher 08cd996839 Add Lily58 serial to LIB_SRC to avoid LTO issue (#7868)
This code is timing sensitive and seems to break with LTO enabled (at
least on avr-gcc 8.3.0... it worked on older gcc versions).

This is the same workaround as #7558 applied for the Helix.
2020-01-12 01:09:04 +00:00

48 lines
1.7 KiB
Makefile

# MCU name
MCU = atmega32u4
# Bootloader selection
# Teensy halfkay
# Pro Micro caterina
# Atmel DFU atmel-dfu
# LUFA DFU lufa-dfu
# QMK DFU qmk-dfu
# ATmega32A bootloadHID
# ATmega328P USBasp
BOOTLOADER = caterina
# 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 = no # 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
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
CUSTOM_MATRIX = yes
SRC += i2c.c
SRC += serial.c
SRC += ssd1306.c
# A workaround until #7089 is merged.
# serial.c must not be compiled with the -lto option.
# The current LIB_SRC has a side effect with the -fno-lto option, so use it.
LIB_SRC += serial.c
# if firmware size over limit, try this option
# CFLAGS += -flto
DEFAULT_FOLDER = lily58/rev1