Add more "extern" declarations for gcc10 compat

gcc has tightened the restrictions on forward declarations that lack
"extern".  Fix them up.

5 files changed, 5 insertions, 5 deletions

diff --git a/shared-bindings/_bleio/Adapter.h b/shared-bindings/_bleio/Adapter.h
index 352373357..c56dbb01c 100644
--- a/shared-bindings/_bleio/Adapter.h
+++ b/shared-bindings/_bleio/Adapter.h
@@ -35,7 +35,7 @@
 #include "py/objstr.h"
 #include "shared-module/_bleio/Address.h"
 
-const mp_obj_type_t bleio_adapter_type;
+extern const mp_obj_type_t bleio_adapter_type;
 
 extern bool common_hal_bleio_adapter_get_advertising(bleio_adapter_obj_t *self);
 extern bool common_hal_bleio_adapter_get_enabled(bleio_adapter_obj_t *self);
diff --git a/shared-bindings/_bleio/Service.h b/shared-bindings/_bleio/Service.h
index 273c6bd98..3af427f95 100644
--- a/shared-bindings/_bleio/Service.h
+++ b/shared-bindings/_bleio/Service.h
@@ -34,7 +34,7 @@
 
 #include "py/objtuple.h"
 
-const mp_obj_type_t bleio_service_type;
+extern const mp_obj_type_t bleio_service_type;
 
 // Private version that doesn't allocate on the heap
 extern uint32_t _common_hal_bleio_service_construct(bleio_service_obj_t *self, bleio_uuid_obj_t *uuid, bool is_secondary, mp_obj_list_t * characteristic_list);
diff --git a/shared-bindings/gnss/PositionFix.h b/shared-bindings/gnss/PositionFix.h
index 34090872c..0fd595fc6 100644
--- a/shared-bindings/gnss/PositionFix.h
+++ b/shared-bindings/gnss/PositionFix.h
@@ -13,7 +13,7 @@ typedef enum {
     POSITIONFIX_3D,
 } gnss_positionfix_t;
 
-const mp_obj_type_t gnss_positionfix_type;
+extern const mp_obj_type_t gnss_positionfix_type;
 
 gnss_positionfix_t gnss_positionfix_obj_to_type(mp_obj_t obj);
 mp_obj_t gnss_positionfix_type_to_obj(gnss_positionfix_t mode);
diff --git a/shared-bindings/gnss/SatelliteSystem.h b/shared-bindings/gnss/SatelliteSystem.h
index 17f155002..02cd17db2 100644
--- a/shared-bindings/gnss/SatelliteSystem.h
+++ b/shared-bindings/gnss/SatelliteSystem.h
@@ -16,7 +16,7 @@ typedef enum {
     SATELLITESYSTEM_QZSS_L1S   = (1U << 4),
 } gnss_satellitesystem_t;
 
-const mp_obj_type_t gnss_satellitesystem_type;
+extern const mp_obj_type_t gnss_satellitesystem_type;
 
 gnss_satellitesystem_t gnss_satellitesystem_obj_to_type(mp_obj_t obj);
 mp_obj_t gnss_satellitesystem_type_to_obj(gnss_satellitesystem_t mode);
diff --git a/shared-bindings/watchdog/WatchDogMode.h b/shared-bindings/watchdog/WatchDogMode.h
index 68022671f..fb09445a9 100644
--- a/shared-bindings/watchdog/WatchDogMode.h
+++ b/shared-bindings/watchdog/WatchDogMode.h
@@ -35,7 +35,7 @@ typedef enum {
     WATCHDOGMODE_RESET,
 } watchdog_watchdogmode_t;
 
-const mp_obj_type_t watchdog_watchdogmode_type;
+extern const mp_obj_type_t watchdog_watchdogmode_type;
 
 watchdog_watchdogmode_t watchdog_watchdogmode_obj_to_type(mp_obj_t obj);
 mp_obj_t watchdog_watchdogmode_type_to_obj(watchdog_watchdogmode_t mode);