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

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#19510: closed (--with-ns won't run on Fedora 21)
Date: Wed, 07 Jan 2015 02:39:02 +0000

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Your message dated Tue, 06 Jan 2015 18:38:04 -0800
with message-id <54AC9C0C.3050004 <at> cs.ucla.edu>
and subject line Re: bug#19510: --with-ns won't run on Fedora 21
has caused the debbugs.gnu.org bug report #19510,
regarding --with-ns won't run on Fedora 21
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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19510: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19510
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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.

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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).

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