"Hello, world!" crashes during exit

[Kervala]

>  Have you seenhttp://www.wxwidgets.org/support/mlhowto.htm#crashes?

I'm very sorry, but I'm not used to debuging under Linux. I will try
to debug more deeply.

>  I'd advise using 2.8.4 packages from
>
>        http://apt.tt-solutions.com/ubuntu/dists/feisty/

Thanks, I will try these packages and check if I could reproduce the
crash with them.

>  No, those should work. If the backtrace from the crash doesn't show
> anything useful, check that you don't have multiple versions of wx
> headers/libraries and that you don't mix them unwillingly.

I have several wxWidgets versions (2.4 and 2.6 used from other
softwares), but I checked the wx-config options and it seems to use
the right one during configure and compilation.