-#if wxUSE_FS_ARCHIVE
-# if !wxUSE_ARCHIVE_STREAMS
-# ifdef wxABORT_ON_CONFIG_ERROR
-# error "wxArchiveFSHandler requires wxArchive and wxBackingFile"
-# else
-# undef wxUSE_ARCHIVE_STREAMS
-# define wxUSE_ARCHIVE_STREAMS 1
-# undef wxUSE_BACKINGFILE
-# define wxUSE_BACKINGFILE 1
-# endif
-# endif
-#endif /* wxUSE_FS_ARCHIVE */
-
-#if wxUSE_BACKINGFILE
-# if !wxUSE_STREAMS
-# ifdef wxABORT_ON_CONFIG_ERROR
-# error "wxBackingFile requires wxStream"
-# else
-# undef wxUSE_STREAMS
-# define wxUSE_STREAMS 1
-# endif
-# endif
-# if !wxUSE_FILE && !wxUSE_FFILE
-# ifdef wxABORT_ON_CONFIG_ERROR
-# error "wxBackingFile requires wxFile or wxFFile"
-# else
-# undef wxUSE_FFILE
-# define wxUSE_FFILE 1
-# endif
-# endif
-#endif /* wxUSE_BACKINGFILE */
-