diff -rupN openambit-0.5/src/libambit/device_driver_ambit_navigation.h openambit-0.5-new/src/libambit/device_driver_ambit_navigation.h
--- openambit-0.5/src/libambit/device_driver_ambit_navigation.h	2019-11-12 22:27:23.000000000 +0100
+++ openambit-0.5-new/src/libambit/device_driver_ambit_navigation.h	2020-02-02 13:22:43.905569680 +0100
@@ -115,8 +115,8 @@ typedef struct ambit_pack_routes_s {
 #define NUM_WAYPOINTS_MOVESCOUNT 34
 #define NUM_WAYPOINTS_AMBIT 18
 
-const uint8_t ambit_waypoint_types_from_movescount[NUM_WAYPOINTS_MOVESCOUNT];
-const uint8_t ambit_waypoint_types_to_movescount[NUM_WAYPOINTS_AMBIT];
+extern const uint8_t ambit_waypoint_types_from_movescount[NUM_WAYPOINTS_MOVESCOUNT];
+extern const uint8_t ambit_waypoint_types_to_movescount[NUM_WAYPOINTS_AMBIT];
 
 int ambit_navigation_read(ambit_object_t *object, ambit_personal_settings_t *settings);
 int ambit_navigation_write(ambit_object_t *object, ambit_personal_settings_t *settings);