# endif
#endif /* !defined(wxUSE_FS_ARCHIVE) */
-/* don't give an error about this one yet, it's not fully implemented */
#ifndef wxUSE_FSVOLUME
-# define wxUSE_FSVOLUME 0
+# ifdef wxABORT_ON_CONFIG_ERROR
+# error "wxUSE_FSVOLUME must be defined."
+# else
+# define wxUSE_FSVOLUME 0
+# endif
#endif /* !defined(wxUSE_FSVOLUME) */
#ifndef wxUSE_DYNAMIC_LOADER