GNU bug report logs - #19510
--with-ns won't run on Fedora 21

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

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Emacs bug reports and feature requests <bug-gnu-emacs <at> gnu.org>
Subject: --with-ns won't run on Fedora 21
Date: Sun, 04 Jan 2015 13:29:21 -0800

On Fedora 21 x86-64, if I configure emacs with "./configure --with-ns 
CFLAGS='-g3 -O2 -DGNUSTEP'" (the -DGNUSTEP is to work around Bug#19507), the 
resulting executable fails with the following diagnostic:

2015-01-04 13:27:06.763 emacs[28811] Did not find correct version of backend 
(libgnustep-back-024.bundle), falling back to std (libgnustep-back.bundle).
2015-01-04 13:27:06.764 emacs[28811] NSApplication.m:304  Assertion failed in 
initialize_gnustep_backend.  Unable to find backend back
./emacs: Uncaught exception NSInternalInconsistencyException, reason: 
NSApplication.m:304  Assertion failed in initialize_gnustep_backend.  Unable to 
find backend back

Sorry, I don't know what those diagnostics mean.  I'm using just the standard 
Fedora 21 installation as far as I know.

Message #8 received at 19510 <at> debbugs.gnu.org (full text, mbox):

From: "Jan D." <jan.h.d <at> swipnet.se>
To: Paul Eggert <eggert <at> cs.ucla.edu>, 19510 <at> debbugs.gnu.org
Subject: Re: bug#19510: --with-ns won't run on Fedora 21
Date: Mon, 05 Jan 2015 07:34:51 +0100

Paul Eggert skrev den 2015-01-04 22:29:
> On Fedora 21 x86-64, if I configure emacs with "./configure --with-ns
> CFLAGS='-g3 -O2 -DGNUSTEP'" (the -DGNUSTEP is to work around Bug#19507),
> the resulting executable fails with the following diagnostic:
>
> 2015-01-04 13:27:06.763 emacs[28811] Did not find correct version of
> backend (libgnustep-back-024.bundle), falling back to std
> (libgnustep-back.bundle).
> 2015-01-04 13:27:06.764 emacs[28811] NSApplication.m:304  Assertion
> failed in initialize_gnustep_backend.  Unable to find backend back
> ./emacs: Uncaught exception NSInternalInconsistencyException, reason:
> NSApplication.m:304  Assertion failed in initialize_gnustep_backend.
> Unable to find backend back
>
> Sorry, I don't know what those diagnostics mean.  I'm using just the
> standard Fedora 21 installation as far as I know.
>
>

It looks like you have installed the wrong backend.

	Jan D.

Message #13 received at 19510-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: "Jan D." <jan.h.d <at> swipnet.se>, 19510-done <at> debbugs.gnu.org
Subject: Re: bug#19510: --with-ns won't run on Fedora 21
Date: Tue, 06 Jan 2015 18:38:04 -0800

Jan D. wrote:
> It looks like you have installed the wrong backend.

I imagine it was something more complicated than that, as I hadn't installed 
anything other than what Fedora 21 packages.  I had already installed the 
gnustep-gui-devel package but apparently that does not suffice to run GnuStep 
apps.  After installing gnustep-examples the problem went away.  The examples 
themselves aren't needed, but they have prerequisites that apparently supply the 
missing runtime components.  The whole thing is very mysterious, I must say; it 
would be nice if the diagnostics were clearer, but I'm so lost that I don't know 
what they should say.

Anyway, thank for checking, and I am closing the bug.  Bug#19507 still remains 
(it wasn't affected by installing gnustep-examples).

Message #16 received at 19510-done <at> debbugs.gnu.org (full text, mbox):

From: "Jan D." <jan.h.d <at> swipnet.se>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 19510-done <at> debbugs.gnu.org
Subject: Re: bug#19510: --with-ns won't run on Fedora 21
Date: Wed, 7 Jan 2015 06:59:46 +0100

> 7 jan 2015 kl. 03:38 skrev Paul Eggert <eggert <at> cs.ucla.edu>:
> 
> Jan D. wrote:
>> It looks like you have installed the wrong backend.
> 
> I imagine it was something more complicated than that, as I hadn't installed anything other than what Fedora 21 packages.  I had already installed the gnustep-gui-devel package but apparently that does not suffice to run GnuStep apps.  After installing gnustep-examples the problem went away.  The examples themselves aren't needed, but they have prerequisites that apparently supply the missing runtime components.  The whole thing is very mysterious, I must say; it would be nice if the diagnostics were clearer, but I'm so lost that I don't know what they should say.

I don't have Fedora 21 installed, but on 20 you had to install gnustep-back separately.
At one time there was two backends you could choose from, but 20 only seems to have one.

> 
> Anyway, thank for checking, and I am closing the bug.  Bug#19507 still remains (it wasn't affected by installing gnustep-examples).

Right.

	Jan D.

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