diff -Naur qt-everywhere-opensource-src-4.8.2-orig/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h qt-everywhere-opensource-src-4.8.2/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
--- qt-everywhere-opensource-src-4.8.2-orig/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h	2012-04-26 15:46:22.000000000 -0400
+++ qt-everywhere-opensource-src-4.8.2/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h	2012-07-14 22:47:02.145152876 -0400
@@ -89,7 +89,7 @@
 #include <pthread.h>
 #elif PLATFORM(GTK)
 #include <wtf/gtk/GOwnPtr.h>
-typedef struct _GMutex GMutex;
+typedef union _GMutex GMutex;
 typedef struct _GCond GCond;
 #endif
 
