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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCHES] Various
Date: Thu, 26 Mar 2015 22:08:53 +0100
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In-Reply-To: <87r3sbh3nc.fsf@taylan.uni.cx> ("Taylan Ulrich
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To: Taylan Ulrich =?utf-8?Q?=22Bay=C4=B1rl=C4=B1?=
	=?utf-8?Q?=2FKammer=22?= <taylanbayirli@gmail.com>
Cc: guix-devel@gnu.org

taylanbayirli@gmail.com (Taylan Ulrich "Bay=C4=B1rl=C4=B1/Kammer") skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:

[...]

>> This may be because a .ac, .am, or .m4 file is newer than =E2=80=98confi=
gure=E2=80=99,
>> for instance.  Does any of these get patched, which would explain the
>> newer mtime?  Can it be worked around by changing that file=E2=80=99s mt=
ime
>> using =E2=80=98set-file-time=E2=80=99 or similar?
>
> I get the warning even if I just run "./configure && make", outside of
> Guix.  The reason seems to be config/config.h.in being old; touching it
> suppresses the warning, and the build still succeeds.  Is it fine this
> way?

Yes.

> +          (lambda _
> +            (zero? (system* "touch" "config/config.h.in"))))

Would this work:

  (set-file-time "config/config.h.in" (stat "config/config.h"))

?

It would be preferable because independent of the system time, but no
big deal.

OK to push one way or the other.

Thanks,
Ludo=E2=80=99.