#ifdef VIK_CONFIG_OPENSTREETMAP
extern VikDataSourceInterface vik_datasource_osm_interface;
extern VikDataSourceInterface vik_datasource_osm_my_traces_interface;
#endif
#ifdef VIK_CONFIG_GEOCACHES
#ifdef VIK_CONFIG_OPENSTREETMAP
extern VikDataSourceInterface vik_datasource_osm_interface;
extern VikDataSourceInterface vik_datasource_osm_my_traces_interface;
#endif
#ifdef VIK_CONFIG_GEOCACHES