GNU bug report logs - #14569
24.3.50; bootstrap fails on Cygwin

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Message #260 received at 14569 <at> debbugs.gnu.org (full text, mbox):

From: Ken Brown <kbrown <at> cornell.edu>
To: Angelo Graziosi <angelo.graziosi <at> alice.it>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, 14569 <at> debbugs.gnu.org
Subject: Re: bug#14569: 24.3.50; bootstrap fails on Cygwin
Date: Mon, 01 Jul 2013 09:51:23 -0400

On 7/1/2013 8:28 AM, Angelo Graziosi wrote:
> Il 01/07/2013 13.21, Ken Brown ha scritto:
>
>> Last night I began running a loop in which emacs (patched as I proposed)
>> repeatedly starts and then exits after 15 seconds [*].  So far there
>> hasn't been a single failure after more than 1300 iterations.  I don't
>> know what's different about bootstrapping, but it seems that tickling
>> Glib doesn't cause problems on Cygwin in ordinary interactive use of
>> Emacs.  (Keep in mind that my previous test, quoted above, showed that
>> the failure during bootstrapping always occurred within 1 second after
>> Glib got tickled.)
>>
>> If no one objects, I'll go ahead and apply my patch later today.
>
> +1
>
> Regarding this:
>
> http://lists.gnu.org/archive/html/bug-gnu-emacs/2013-06/msg00963.html
>
>
> shouldn't it flagged, in some manner, to Cygwin ("Creators") list? For
> example,
>
> "Bootstrapping Emacs with this patch fails on Cygwin so and so... but
> not on GNU/Linux... Have you some idea?..."
>
> After all, trying to bootstrap Emacs trunk is not so much work... The
> big work, perhaps, is in understanding the failure, I think..

Yes, I agree in principle, but I'm not yet sure it's a Cygwin bug, and I 
haven't been able to come up with a simple test case that exhibits the 
problem.  My naive attempt didn't work:

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