// wxTimer implementation class for Unix platforms
// ----------------------------------------------------------------------------
-class wxUnixTimerImpl : public wxTimerImpl
+// NB: we have to export at least this symbol from the shared library, because
+// it's used by wxDFB's wxCore
+class WXDLLIMPEXP_BASE wxUnixTimerImpl : public wxTimerImpl
{
public:
wxUnixTimerImpl(wxTimer *timer);