Re: unexmacosx.c and limits.h problem

[Richard Copley <rcopley@gmail.com>]

On 17 September 2016 at 13:41, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Richard Copley <rcopley@gmail.com>
>> Date: Sat, 17 Sep 2016 13:28:05 +0100
>> Cc: Paul Eggert <eggert@cs.ucla.edu>, Bob Halley <halley@play-bow.org>,
>>       Emacs Development <emacs-devel@gnu.org>
>>
>> My preprocessed file doesn't show the #include or #define directives.
>> It sounds like yours does. Apparently another difference between our
>> toolchains. I obtained the preprocessed file the same way you did.
>
> No, there's no difference.  The inclusion evidence is like this:
>
>   # 1 "../lib/limits.h" 1 3
>
> Do you see such a line in the preprocessed file?

Yes.

> If you do, then does
> it include this line further down:
>
>   #define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX)

No.

> I then searched back for _GNU_SOURCE and saw this:
>
>   #define _GNU_SOURCE 1
>
> and a little ways above it I saw this:
>
>   # 1583 "./config.h"
>
> Do you see these?
>
> Etc. etc. -- just go back and look whether the file inclusion I
> described happens on your system.
>
>> I suppose the preprocessed source is no use to you, since you don't
>> have the same headers unless you update your MSYS, and if you do that
>> you won't need anything from me.
>
> If you cannot figure this out, send the preprocessed source of
> w32proc.c, sure.  I will take a look.
>
> Thanks.

Thanks for that. I might have found the difference that makes the
difference. Please see my other message.