Re: GUI won't build with older QScintilla

[Daniel J Sebald]

On 04/04/2013 12:58 PM, Ben Abbott wrote:
> On Apr 4, 2013, at 1:55 PM, Daniel J Sebald wrote:
>
> > On 04/04/2013 12:47 PM, Jordi Gutiérrez Hermoso wrote:
> >
> > > On 4 April 2013 13:41, Daniel J Sebald<address@hidden>   wrote:
> > >
> > > > Oh, you are trying to include QScintilla.  Where are your header files?
> > > > Somewhere other than /<?>/include/Qsci?
> > >
> > > The missing file isn't in QScintilla 2.4, but in some later version. I
> > > don't have that later version.
> >
> > OK, I see that now.  Require 2.X or greater?
> >
> > Dan
>
> 2.4.6 wasn't sufficient (I don't recall the details).
>
> I'm currently building with 2.6.2, but my QScintilla build has some problem.  
> When I attempt to invoke the editor from the GUI, everything crashes.

A recent version of the development branch?  Things are a bit in flux 
right now, so it might be a day or two before crashes are gone.  But a 
bigger question from a developer's perspective is how to get some hint 
about exactly what is crashing (Octave? GUI? QScintilla?).  When I've 
done bigger things here, I modify the line of code in the unix QTerminal 
that redirects the STDERR to the GUI.  Otherwise if the GUI crashes when 
I'm trying to debug, the error messages are lost along with the GUI 
windows being erased from the screen.

I created a patch in Savannah bug list that will redirect STDERR back to 
the terminal right before exit so that one might realize a bug at exit 
that otherwise wouldn't be noticed because in the case of proper exit 
and bad exit the windows disappear.  But that isn't enough for the case 
when the GUI crashes in the middle of normal operation.  There is this 
Qt feature qDebug, but I'm not sure where that comes into play.

Dan