[ios] Specify ultra light weight literally (#5497)

Fixed a crash on iOS 8.1 and below due to specifying the compass legend’s font weight using a font weight constant that was introduced in iOS 8.2. Fixes #5486.
mapbox · Jun 28, 2016 · c96b7da · c96b7da
1 parent 72c3422
commit c96b7da
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
@@ -579,8 +579,9 @@ - (UIImage *)compassImage
     UIGraphicsBeginImageContextWithOptions(scaleImage.size, NO, [UIScreen mainScreen].scale);
     [scaleImage drawInRect:{ CGPointZero, scaleImage.size }];
 
+    CGFloat weight = &UIFontWeightUltraLight ? UIFontWeightUltraLight : -0.8;
     NSAttributedString *north = [[NSAttributedString alloc] initWithString:NSLocalizedStringWithDefaultValue(@"COMPASS_NORTH", nil, nil, @"N", @"Compass abbreviation for north") attributes:@{
-        NSFontAttributeName: [UIFont systemFontOfSize:9 weight:UIFontWeightUltraLight],
+        NSFontAttributeName: [UIFont systemFontOfSize:9 weight:weight],
         NSForegroundColorAttributeName: [UIColor whiteColor],
     }];
     CGRect stringRect = CGRectMake((scaleImage.size.width - north.size.width) / 2,