Index: OpenSceneGraph/trunk/include/osgViewer/api/Carbon/PixelBufferCarbon
===================================================================
--- OpenSceneGraph/trunk/include/osgViewer/api/Carbon/PixelBufferCarbon (revision 7039)
+++ OpenSceneGraph/trunk/include/osgViewer/api/Carbon/PixelBufferCarbon (revision 9904)
@@ -17,5 +17,5 @@
 #define OSGVIEWER_PIXELBUFFERCARBON 1
 
-#ifdef __APPLE__
+#if defined (__APPLE__) && (!__LP64__)
 
 #include <osg/GraphicsContext>
@@ -35,10 +35,10 @@
         PixelBufferCarbon(osg::GraphicsContext::Traits* traits):
             _valid(false),
-			_initialized(false),
+            _initialized(false),
             _realized(false),
-			_pixelformat(0),
+            _pixelformat(0),
             _pbuffer(0),
             _context(0)
-		{
+        {
             _traits = traits;
 
@@ -92,8 +92,8 @@
         /** Swap the front and back buffers.*/
         virtual void swapBuffersImplementation();
-		
-		static AGLPixelFormat createPixelFormat(osg::GraphicsContext::Traits* traits);
-		
-		AGLContext getAGLContext() { return _context; }
+        
+        static AGLPixelFormat createPixelFormat(osg::GraphicsContext::Traits* traits);
+        
+        AGLContext getAGLContext() { return _context; }
 
     public:
@@ -101,5 +101,5 @@
 
     protected:
-		
+        
 
     
@@ -111,8 +111,8 @@
         bool            _initialized;
         bool            _realized;
-		
-		AGLPixelFormat	_pixelformat;
-		AGLPbuffer		_pbuffer;
-		AGLContext		_context;
+        
+        AGLPixelFormat    _pixelformat;
+        AGLPbuffer        _pbuffer;
+        AGLContext        _context;
         
 };