Re: Octave with FLTK segfaulting on MacOS X

[Ben Abbott]

On Jun 21, 2014, at 9:50 PM, Ben Abbott <address@hidden> wrote:

> On Jun 20, 2014, at 9:04 PM, Ben Abbott <address@hidden> wrote:
> 
>> On Jun 17, 2014, at 9:44 PM, Ben Abbott <address@hidden> wrote:
>> 
>>> Carlo,
>>> 
>>> I'm seeing a seg-fault when using the fltk graphics toolkit.  For example, 
>>> the commands below ...
>>> 
>>>     graphics_toolkit fltk
>>>     plot (rand (3))
>>> 
>>> ... result in ...
>>> 
>>>     line 2: 86876 Segmentation fault: 11  
>>> /Users/bpabbott/Development/mercurial/default/sources/run-octave --no-gui
>>> 
>>> Can you confirm this is a problem on your Mac as well?
>>> 
>>> Ben
>> 
>> I don't see the seg-fault on the stable, but do see it on the gui-release 
>> branch (using the same configure options).  A common "feature" is that the 
>> gui thread is active when Octave starts for the default and gui-releaes 
>> branch ... meaning that an Octave icon appears on the MacOS Dock for the 
>> default and gui-release branches, but not for the stable branch.
>> 
>> When I have time, I'll start bisecting to identify the changeset.
>> 
>> Ben
> 
> The last default branch revision which worked correctly was 55e376fd8636. 
> Meaning "hg revert -a -r 55e376fd8636" followed by bootstraping, configure, 
> and make produces a functional fltk toolkit on MacOS 10.9.
> 
> changeset:   18485:55e376fd8636
> branch:      stable
> user:        John W. Eaton <address@hidden>
> date:        Mon Feb 17 03:32:22 2014 -0500
> summary:     Added tag rc-3-8-1-3 for changeset 02ce68d63fba
> 
> The next changeset to the default branch was a periodic merge of gui-release 
> to default.
> 
>       http://hg.savannah.gnu.org/hgweb/octave/rev/8473198fd005
> 
> I expect problem is directly related to the bug report below (no GUI 
> interaction outside the main thread on MacOS X).
> 
>       https://savannah.gnu.org/bugs/?40242
> 
> Ben

I've opened a bug report.

        https://savannah.gnu.org/bugs/index.php?42596

Its marked as a blocker (because none of the OpenGL toolkits work any longer on 
MacOS X)

Ben