# endif
#endif /* !defined(wxUSE_NOTEBOOK) */
+#ifndef wxUSE_NOTIFICATION_MESSAGE
+# ifdef wxABORT_ON_CONFIG_ERROR
+# error "wxUSE_NOTIFICATION_MESSAGE must be defined."
+# else
+# define wxUSE_NOTIFICATION_MESSAGE 0
+# endif
+#endif /* !defined(wxUSE_NOTIFICATION_MESSAGE) */
+
#ifndef wxUSE_ODCOMBOBOX
# ifdef wxABORT_ON_CONFIG_ERROR
# error "wxUSE_ODCOMBOBOX must be defined."