I'm trying to port an application that I built on windows to my linux
machine and each time I call PreCompile() Csound spits out a segmentation
fault and quits. This is the offending code

    csound = new Csound(this);
    dataout = new PVSDATEXT;
    csound->SetMessageCallback(csoundMessageCall);
    csound->PreCompile();           //causes seg fault

It's a GUI app built using wxWidgets. So far I've been impressed at how
easy it was to port, it's just this issue that's causing problems. If I
take out the PreCompile() and simply call compile() I still get the same
error. Any ideas?

Rory.



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I believe that PreCompile() resets the message callback.  So, I always set
it after calling PreCompile().  Not sure if that would have any effect on
your code though ...

Anthony

Rory Walsh wrote on 12/19/07 3:25 PM:

> I'm trying to port an application that I built on windows to my linux
> machine and each time I call PreCompile() Csound spits out a segmentation
> fault and quits. This is the offending code
> 
> csound = new Csound(this);
> dataout = new PVSDATEXT;
> csound->SetMessageCallback(csoundMessageCall);
> csound->PreCompile();           //causes seg fault
> 
> It's a GUI app built using wxWidgets. So far I've been impressed at how
> easy it was to port, it's just this issue that's causing problems. If I
> take out the PreCompile() and simply call compile() I still get the same
> error. Any ideas?


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Thanks for the suggestion Anthony, that's a good tip for the future but
I'm afraid that still doesn't do it. Since posting my last mail I've built
a really basic commandline app that works fine with the same code. It must
have something to do with the way I've implemented my GUI. I'll have to
sit down and take a detailed look over the code.

Rory.


> I believe that PreCompile() resets the message callback.  So, I always set
> it after calling PreCompile().  Not sure if that would have any effect on
> your code though ...
>
> Anthony
>
> Rory Walsh wrote on 12/19/07 3:25 PM:
>
>> I'm trying to port an application that I built on windows to my linux
>> machine and each time I call PreCompile() Csound spits out a
>> segmentation
>> fault and quits. This is the offending code
>>
>> csound = new Csound(this);
>> dataout = new PVSDATEXT;
>> csound->SetMessageCallback(csoundMessageCall);
>> csound->PreCompile();           //causes seg fault
>>
>> It's a GUI app built using wxWidgets. So far I've been impressed at how
>> easy it was to port, it's just this issue that's causing problems. If I
>> take out the PreCompile() and simply call compile() I still get the same
>> error. Any ideas?
>
>
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