+#if wxUSE_ACCESSIBILITY && !defined(__WXMSW__)
+# ifdef wxABORT_ON_CONFIG_ERROR
+# error "wxUSE_ACCESSIBILITY is currently only supported under wxMSW"
+# else
+# undef wxUSE_ACCESSIBILITY
+# define wxUSE_ACCESSIBILITY 0
+# endif
+#endif /* wxUSE_ACCESSIBILITY */
+