-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile, wxConvLocal, wxConvISO8859_1, wxConvUTF8;
-WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent;
+WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc, wxConvFile, wxConvLocal, wxConvISO8859_1, wxConvUTF8;
+WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;