[darwin] Use FOUNDATION_EXTERN instead of plain extern

FOUNDATION_EXTERN is an alias for extern in most cases, but also covers us in the event that a method could be mismangled by the compiler as C++ (when we want C-style mangling, for Obj-C compatibility).

2 files changed, 4 insertions, 4 deletions

diff --git a/platform/ios/src/MGLMapView.h b/platform/ios/src/MGLMapView.h
index b2439416ae..bfd0946cdc 100644
--- a/platform/ios/src/MGLMapView.h
+++ b/platform/ios/src/MGLMapView.h
@@ -24,13 +24,13 @@ NS_ASSUME_NONNULL_BEGIN
 @protocol MGLLocationManager;
 
 /** The default deceleration rate for a map view. */
-extern MGL_EXPORT const CGFloat MGLMapViewDecelerationRateNormal;
+FOUNDATION_EXTERN MGL_EXPORT const CGFloat MGLMapViewDecelerationRateNormal;
 
 /** A fast deceleration rate for a map view. */
-extern MGL_EXPORT const CGFloat MGLMapViewDecelerationRateFast;
+FOUNDATION_EXTERN MGL_EXPORT const CGFloat MGLMapViewDecelerationRateFast;
 
 /** Disables deceleration in a map view. */
-extern MGL_EXPORT const CGFloat MGLMapViewDecelerationRateImmediate;
+FOUNDATION_EXTERN MGL_EXPORT const CGFloat MGLMapViewDecelerationRateImmediate;
 
 /**
  The vertical alignment of an annotation within a map view. Used with
diff --git a/platform/ios/src/MGLMapView_Private.h b/platform/ios/src/MGLMapView_Private.h
index 482ab55c5e..133d17023e 100644
--- a/platform/ios/src/MGLMapView_Private.h
+++ b/platform/ios/src/MGLMapView_Private.h
@@ -6,7 +6,7 @@ namespace mbgl {
 }
 
 /// Minimum size of an annotation’s accessibility element.
-extern const CGSize MGLAnnotationAccessibilityElementMinimumSize;
+FOUNDATION_EXTERN const CGSize MGLAnnotationAccessibilityElementMinimumSize;
 
 @interface MGLMapView (Private)