Bug#918748: nmu: kadu_4.1-1.1

[Emilio Pozuelo Monfort <pochu@debian.org>]

On 09/01/2019 10:26, Boris Pek wrote:
>>>  This is my first binNMUs, so please correct me if I am doing anything wrong.
>>
>> qxmpp didn't bump the SONAME. So why does kadu need a rebuild?
> 
> Library API was not changed, so where were no reasons to bump SOVERSION.
> But it looks what there are some changes in ABI which cause to segmentation
> fault during connection to XMPP network (after entering of password):
> 
> (gdb) bt full
> #0  0x00007ffff617ed98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
> #1  0x00007ffff618e7e0 in QString::compare_helper(QChar const*, int, char const*, int, Qt::CaseSensitivity) ()
>     at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
> #2  0x00007fffe07f5fb5 in QXmppRosterManager::handleStanza(QDomElement const&) ()
>     at /usr/lib/x86_64-linux-gnu/libqxmpp.so.0
> #3  0x00007fffe07d8661 in QXmppClient::_q_elementReceived(QDomElement const&, bool&) ()
>     at /usr/lib/x86_64-linux-gnu/libqxmpp.so.0
> #4  0x00007fffe0820545 in  () at /usr/lib/x86_64-linux-gnu/libqxmpp.so.0
> #5  0x00007ffff62e36cb in QMetaObject::activate(QObject*, int, int, void**) ()
>     at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
> ...
> 
> After rebuilding of kadu with new qxmpp it works fine.

Then qxmpp ABI was broken and that needs a SONAME bump on qxmpp.

Cheers,
Emilio