// there is no src/{msw,mgl}/popupwin.cpp to put this in, so we do it here - BTW we
// probably could do it for all ports here just as well
-#if defined(__WXMSW__) || defined(__WXMGL__)
+#if defined(__WXMSW__) || defined(__WXMGL__) || defined(__WXPM__)
IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
#endif // __WXMSW__