diff -r 41300fa6a67c -r f7bc934e204c src/gui/kernel/qt_cocoa_helpers_mac.mm
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -143,6 +143,9 @@
 
 void macWindowFade(void * /*OSWindowRef*/ window, float durationSeconds)
 {
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+#endif
     OSWindowRef wnd = static_cast<OSWindowRef>(window);
     if (wnd) {
         QWidget *widget;
@@ -1159,7 +1162,7 @@
     CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
     QDBeginCGContext(port, &context);
 #else
-    CGContextRef context = (CGContextRef)[[NSGraphicsContext graphicsContextWithWindow:qt_mac_window_for(widget)] graphicsPort];
+    CGContextRef context = reinterpret_cast<CGContextRef>([[qt_mac_window_for(widget) graphicsContext] graphicsPort]);
 #endif
     return context;
 }
@@ -1278,4 +1281,17 @@
 }
 #endif
 
+QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
+{
+#ifndef QT_MAC_USE_COCOA
+    NSApplicationLoad();
+#endif
+    pool = (void*)[[NSAutoreleasePool alloc] init];
+}
+
+QMacCocoaAutoReleasePool::~QMacCocoaAutoReleasePool()
+{
+    [(NSAutoreleasePool*)pool release];
+}
+
 QT_END_NAMESPACE