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-rw-r--r--slideshow/source/engine/OGLTrans/mac/aquaOpenGLView.m7
1 files changed, 7 insertions, 0 deletions
diff --git a/slideshow/source/engine/OGLTrans/mac/aquaOpenGLView.m b/slideshow/source/engine/OGLTrans/mac/aquaOpenGLView.m
index e329eb0dea32..56c2e094fc3a 100644
--- a/slideshow/source/engine/OGLTrans/mac/aquaOpenGLView.m
+++ b/slideshow/source/engine/OGLTrans/mac/aquaOpenGLView.m
@@ -3,6 +3,13 @@
* aquaOpenGLView.m
*/
+#import <Foundation/NSObjCRuntime.h>
+#if defined (NSFoundationVersionNumber10_5) && MAC_OS_X_VERSION_MAX_ALLOWED < 1050
+@class CALayer;
+@class NSViewController;
+typedef int NSColorRenderingIntent;
+#endif
+
#include <Cocoa/Cocoa.h>
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>