diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/dialogs/qfontdialog_mac.mm
--- a/src/gui/dialogs/qfontdialog_mac.mm	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/dialogs/qfontdialog_mac.mm	Tue Feb 02 00:43:10 2010 +0200
@@ -394,7 +394,9 @@
     }
     [mFontPanel setDelegate:nil];
     [[NSFontManager sharedFontManager] setDelegate:nil];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:nil];
+#endif
 }
 @end
 
@@ -518,7 +520,9 @@
                                                    extraHeight:dialogExtraHeight];
     [ourPanel setDelegate:delegate];
     [[NSFontManager sharedFontManager] setDelegate:delegate];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:delegate];
+#endif
     setFont(delegate, initial);
 
     // hack to get correct initial layout
@@ -625,10 +629,11 @@
         }
 
         NSFontManager *mgr = [NSFontManager sharedFontManager];
-        nsFont = [mgr fontWithFamily:qt_mac_QStringToNSString(font.family())
+        QFontInfo fontInfo(font);
+        nsFont = [mgr fontWithFamily:qt_mac_QStringToNSString(fontInfo.family())
             traits:mask
             weight:weight
-            size:QFontInfo(font).pointSize()];
+            size:fontInfo.pointSize()];
     }
 
     [mgr setSelectedFont:nsFont isMultiple:NO];