GNU bug report logs - #15531
Emacs configure fails with gif 5.0

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Barry Fishman <barry_fishman <at> acm.org>
To: submit <at> debbugs.gnu.org
Subject: Emacs configure fails with gif 5.0
Date: Sat, 05 Oct 2013 11:27:53 -0400

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

Package: emacs
Version: 24.3.50

The configure script fails to recognize the gif_lib.h header file for
gif 5.0 and so prints an error that git support can not be found.

The gif_lib.h header file has been reorganized for gif 5.0.  There is no
longer a EGifPutExtensionLast function.  However there is a new
GifMakeMapObject I used in my patch.  A better way would probably be to
look at the new GIFLIB_MAJOR define now in gif_lib.h.

I have included a patch, but I do not have many OS/platforms that I
can check.  I am far from understanding autoconfig, but my attempt at a
fix (git patch) is included below:

[emacs-gif-5.patch (text/x-diff, attachment)]

[Message part 3 (text/plain, inline)]

-- 
Barry Fishman

Message #8 received at 15531 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Barry Fishman <barry_fishman <at> acm.org>
Cc: 15531 <at> debbugs.gnu.org
Subject: Re: bug#15531: Emacs configure fails with gif 5.0
Date: Sat, 05 Oct 2013 21:26:06 +0300

> From: Barry Fishman <barry_fishman <at> acm.org>
> Date: Sat, 05 Oct 2013 11:27:53 -0400
> 
> The configure script fails to recognize the gif_lib.h header file for
> gif 5.0 and so prints an error that git support can not be found.
> 
> The gif_lib.h header file has been reorganized for gif 5.0.  There is no
> longer a EGifPutExtensionLast function.  However there is a new
> GifMakeMapObject I used in my patch.  A better way would probably be to
> look at the new GIFLIB_MAJOR define now in gif_lib.h.
> 
> I have included a patch, but I do not have many OS/platforms that I
> can check.  I am far from understanding autoconfig, but my attempt at a
> fix (git patch) is included below:

Thanks.

For the record, this is not enough for Windows, because we must
prevent Emacs compiled with libungif 5.0 or newer to dynamically load
an older shared library, or vice versa.

Btw, where can one find this new version?  I can only find versions
4.x or older.

Message #11 received at 15531 <at> debbugs.gnu.org (full text, mbox):

From: Barry Fishman <barry_fishman <at> acm.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 15531 <at> debbugs.gnu.org
Subject: Re: bug#15531: Emacs configure fails with gif 5.0
Date: Sat, 05 Oct 2013 15:19:15 -0400

On 2013-10-05 14:26:06 EDT, Eli Zaretskii wrote:
> For the record, this is not enough for Windows, because we must
> prevent Emacs compiled with libungif 5.0 or newer to dynamically load
> an older shared library, or vice versa.
>
> Btw, where can one find this new version?  I can only find versions
> 4.x or older.

I use Arch GNU/Linux which defaults to using giflib 5.0.4.  They point
back to http://sourceforge.net/projects/giflib/.  It has the download
for 5.0.5 listed under the "Recent Releases" heading.  Its also
tagged in its git repository.

-- 
Barry Fishman

Message #16 received at 15531-done <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 15531-done <at> debbugs.gnu.org
Subject: Re: bug#15531: Emacs configure fails with gif 5.0
Date: Wed, 09 Oct 2013 20:40:45 -0400

Version: 24.4

Thank you; applied.

We'll need a copyright assignment to accept any more code from you.
If you think you might contribute more in future, let me know off-list,
and I can send you a form to get started.

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