--- a/src/gui/text/qtextdocumentlayout.cpp	Mon May 03 13:17:34 2010 +0300
+++ b/src/gui/text/qtextdocumentlayout.cpp	Fri May 14 16:40:13 2010 +0300
@@ -75,7 +75,7 @@
 
 QT_BEGIN_NAMESPACE
 
-extern int qt_defaultDpi();
+Q_GUI_EXPORT extern int qt_defaultDpi();
 
 // ################ should probably add frameFormatChange notification!