C++ Exceptions in Amarok

[Mark Kretschmann]

Ahoy,

Leo and I were pondering how to fix crashes with Liblastfm, stemming
from the fact that the library is throwing exceptions. As all KDE
applications are built _without_ exceptions support by default (for
historical reasons), this crashed instantly at every throw(). So I've
enabled exceptions support in Amarok, and I'm attaching a patch that
proves that it works. With the patch, Amarok will show a small message
box on startup, when the exception gets caught.

There is one catch (haha, pun!):
As Qt is compiled without exceptions support, this will not work with
any Qt types (e.g. throwing a QString). Not sure if that poses a
problem for our Liblastfm endeavours.

-- 
Mark Kretschmann
Amarok Developer
www.kde.org - amarok.kde.org
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