Getting 'undefined reference to' error building with gcc-avr 7

[paulkitt]

Using avr-gcc-7.3.0-1 and avr-libc 2.0.0-1 on Arch Linux .

When building the with make -f Makefile.lufa:

obj_ergodox_lufa/ergodox.o: In function `ergodox_blink_all_leds':                                                                                                                                                   
./tmk_keyboard/keyboard/ergodox/ergodox.c:70: undefined reference to `ergodox_led_all_off'
./tmk_keyboard/keyboard/ergodox/ergodox.c:71: undefined reference to `ergodox_led_all_set'
./tmk_keyboard/keyboard/ergodox/ergodox.c:72: undefined reference to `ergodox_led_all_on'
./tmk_keyboard/keyboard/ergodox/ergodox.c:74: undefined reference to `ergodox_led_all_off'
obj_ergodox_lufa/led.o: In function `led_set':
./tmk_keyboard/keyboard/ergodox/led.c:31: undefined reference to `ergodox_right_led_1_on'
./tmk_keyboard/keyboard/ergodox/led.c:45: undefined reference to `ergodox_right_led_2_on'
./tmk_keyboard/keyboard/ergodox/led.c:52: undefined reference to `ergodox_right_led_3_on'
./tmk_keyboard/keyboard/ergodox/led.c:33: undefined reference to `ergodox_right_led_1_off'
./tmk_keyboard/keyboard/ergodox/led.c:47: undefined reference to `ergodox_right_led_2_off'
./tmk_keyboard/keyboard/ergodox/led.c:54: undefined reference to `ergodox_right_led_3_off'
collect2: error: ld returned 1 exit status
make: *** [../../tmk_core/rules.mk:545: ergodox_lufa.elf] Error 1

[marknsikora]

Fixed in 5f4412a