+#if wxUSE_COLLPANE
+# if !wxUSE_BUTTON || !wxUSE_STATLINE
+# ifdef wxABORT_ON_CONFIG_ERROR
+# error "wxUSE_COLLPANE requires wxUSE_BUTTON and wxUSE_STATLINE"
+# else
+# undef wxUSE_COLLPANE
+# define wxUSE_COLLPANE 0
+# endif
+# endif
+#endif /* wxUSE_COLLPANE */
+