diff -r 000000000000 -r 1918ee327afb mkspecs/features/win32/rtti_off.prf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mkspecs/features/win32/rtti_off.prf	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,4 @@
+CONFIG -= rtti
+QMAKE_CFLAGS += $$QMAKE_CFLAGS_RTTI_OFF
+QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_RTTI_OFF
+DEFINES += QT_NO_DYNAMIC_CAST
\ No newline at end of file