--- a/common/board_f.c	2014-08-19 08:42:46.000000000 +0200
+++ b/common/board_f.c	2020-09-15 09:40:56.739298301 +0200
@@ -78,24 +78,24 @@
  ************************************************************************
  * May be supplied by boards if desired
  */
-inline void __coloured_LED_init(void) {}
+void __coloured_LED_init(void) {}
 void coloured_LED_init(void)
 	__attribute__((weak, alias("__coloured_LED_init")));
-inline void __red_led_on(void) {}
+void __red_led_on(void) {}
 void red_led_on(void) __attribute__((weak, alias("__red_led_on")));
-inline void __red_led_off(void) {}
+void __red_led_off(void) {}
 void red_led_off(void) __attribute__((weak, alias("__red_led_off")));
-inline void __green_led_on(void) {}
+void __green_led_on(void) {}
 void green_led_on(void) __attribute__((weak, alias("__green_led_on")));
-inline void __green_led_off(void) {}
+void __green_led_off(void) {}
 void green_led_off(void) __attribute__((weak, alias("__green_led_off")));
-inline void __yellow_led_on(void) {}
+void __yellow_led_on(void) {}
 void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on")));
-inline void __yellow_led_off(void) {}
+void __yellow_led_off(void) {}
 void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off")));
-inline void __blue_led_on(void) {}
+void __blue_led_on(void) {}
 void blue_led_on(void) __attribute__((weak, alias("__blue_led_on")));
-inline void __blue_led_off(void) {}
+void __blue_led_off(void) {}
 void blue_led_off(void) __attribute__((weak, alias("__blue_led_off")));
 
 /*