Re: Try to update config.cache atomically; respect symlinks.

[Ralf Wildenhues]

* Eric Blake wrote on Fri, Aug 27, 2010 at 07:36:08PM CEST:
> On 08/16/2010 02:03 PM, Ralf Wildenhues wrote:
> >
> >    * doc/autoconf.texi (Cache Files): Leftover temporary cache
> >    files may be deleted by the user.
> 
> I think the problem is rare enough, and agree with your sentiment of
> not documenting it (at least, not for now).  Maybe if we ever get
> reports of someone wondering about stale files...

So I had the patch in with the documentation bits anyway, sorry about
the glitch.  I think it's ok though.

> >No, because the last AT_CHECK is designed to catch both cases.  I've
> >added a comment to this end now, see below.
> 
> Looks good with that comment; I'm okay if you go ahead and apply this patch.

Thanks, done.
Ralf