[FYI] pass --enable-obsolete to build configure

[Andreas Schwab]

On Nov 02 2019, Alexandre Oliva wrote:

> @@ -903,6 +904,7 @@ infodir
>  docdir
>  oldincludedir
>  includedir
> +runstatedir
>  localstatedir
>  sharedstatedir
>  sysconfdir

Don't add unreleated changes.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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