diff -r cc75c76972ee -r c0432d11811c src/gui/painting/qpaintbuffer.cpp
--- a/src/gui/painting/qpaintbuffer.cpp	Wed Apr 21 12:15:23 2010 +0300
+++ b/src/gui/painting/qpaintbuffer.cpp	Wed Apr 21 20:15:53 2010 +0300
@@ -52,8 +52,8 @@
 
 QT_BEGIN_NAMESPACE
 
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_GUI_EXPORT extern int qt_defaultDpiX();
+Q_GUI_EXPORT extern int qt_defaultDpiY();
 extern void qt_format_text(const QFont &font,
                            const QRectF &_r, int tf, const QTextOption *option, const QString& str, QRectF *brect,
                            int tabstops, int* tabarray, int tabarraylen,