GNU bug report logs - #22522
Commit b88e9cded7ae3756e3a2ec4a23e8df352a0239f9 breaks emacs dumping for me

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Message #58 received at 22522 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Ken Brown <kbrown <at> cornell.edu>
Cc: Andy Moreton <andrewjmoreton <at> gmail.com>, 22522 <at> debbugs.gnu.org
Subject: Re: bug#22522: Commit b88e9cded7ae3756e3a2ec4a23e8df352a0239f9 breaks
 emacs dumping for me
Date: Wed, 3 Feb 2016 00:41:18 -0800

[Message part 1 (text/plain, inline)]

Ken Brown wrote:
>> I installed the attached patch into the Emacs master, to try to work
>> around this problem by putting GCC into C11 mode. Please give it a try.
>
> No, that didn't fix it.

Can you investigate why not?  The patch should cause 'configure' to put 
-stdc=gnu11 into CFLAGS. If you look at config.log, it should have something 
like this:

configure:5924: checking for gcc option to enable C11 features
...
configure:6146: result: -std=gnu11

If this isn't the result, what is the result and why?

> What about an ad hoc temporary solution that simply defines __ISO_C_VISIBLE to be 2011 on Cygwin prior to the inclusion of <stdlib.h>?

I'd rather not go that route, as __ISO_C_VISIBLE is supposed to be private. I 
installed the attached patch instead; please give it a try.

[0001-Port-aligned_alloc-decl-to-Cygwin.patch (text/x-diff, attachment)]

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