From: Eli Zaretskii <eliz@gnu.org>
To: angelo.graziosi@alice.it
Cc: kbrown@cornell.edu, emacs-devel@gnu.org
Subject: Re: Too many warnings building Emacs with GCC 6 on MSYS2-MinGW64
Date: Thu, 01 Sep 2016 20:19:20 +0300 [thread overview]
Message-ID: <83zinredwn.fsf@gnu.org> (raw)
In-Reply-To: <83h99zg0w0.fsf@gnu.org> (message from Eli Zaretskii on Thu, 01 Sep 2016 17:17:35 +0300)
> Date: Thu, 01 Sep 2016 17:17:35 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: kbrown@cornell.edu, emacs-devel@gnu.org
>
> The prototype that fixes this, with 'int' as the return value, is
> wrong, and is IMO a MinGW64 GCC bug which should be reported.
> intptr_t is a 64-bit type in MinGW64, while int is still 32 bits. By
> enforcing the wrong type, GCC contradicts MinGW64's own library
> headers.
Actually, I see now that the prototype of execve in MinGW64 library
headers does match the builtin, and that of _execve doesn't (although
if the library function execve is called, it will call _execve). So I
guess it's not a bug, strictly speaking, but a kludgey misfeature, and
a deviation from mingw.org's MinGW headers.
next prev parent reply other threads:[~2016-09-01 17:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 8:01 Too many warnings building Emacs with GCC 6 on MSYS2-MinGW64 Angelo Graziosi
2016-08-31 14:27 ` Eli Zaretskii
2016-08-31 15:01 ` Angelo Graziosi
2016-08-31 15:42 ` Eli Zaretskii
2016-08-31 17:40 ` Angelo Graziosi
2016-08-31 18:11 ` Ken Brown
2016-08-31 18:47 ` Eli Zaretskii
2016-08-31 19:56 ` Angelo Graziosi
2016-09-01 2:37 ` Eli Zaretskii
2016-09-01 7:44 ` Angelo Graziosi
2016-09-01 14:17 ` Eli Zaretskii
2016-09-01 15:42 ` Angelo Graziosi
2016-09-01 16:04 ` Eli Zaretskii
2016-09-01 16:12 ` Eli Zaretskii
2016-09-01 16:14 ` Angelo Graziosi
2016-09-01 16:17 ` Davis Herring
2016-09-01 16:24 ` Ken Brown
2016-09-01 17:43 ` Davis Herring
2016-09-01 16:29 ` Eli Zaretskii
2016-09-01 16:32 ` Andreas Schwab
2016-09-01 16:49 ` Eli Zaretskii
2016-09-01 16:25 ` Angelo Graziosi
2016-09-01 16:30 ` Eli Zaretskii
2016-09-01 19:44 ` Angelo Graziosi
2016-09-01 17:19 ` Eli Zaretskii [this message]
2016-08-31 18:18 ` Eli Zaretskii
2016-09-01 18:50 ` Richard Stallman
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