Re: Upgraded to Qt 4.4, psi-0.11 now crashes

Le jeudi 8 mai 2008, Kevin Smith a écrit :
> With Qt-4.4, Trolltech broke their policy of backwards
compatability
> within major releases. Applications, like Psi 0.11,
desiged for
> Qt4.0-Qt4.3 may well not work with 4.4. Psi 0.12 will
be compatible
> with both Qt-4.0-4.3 and 4.4.


No, the policy was not broken. Qt 4.4 should be binary
compatible with Qt 4.3
Can you tell what are the  missing symbols?

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>> With Qt-4.4, Trolltech broke their policy of
backwards compatability
>> within major releases. Applications, like Psi 0.11,
desiged for
>> Qt4.0-Qt4.3 may well not work with 4.4. Psi 0.12
will be compatible
>> with both Qt-4.0-4.3 and 4.4.
> No, the policy was not broken. Qt 4.4 should be binary
compatible with Qt 4.3
> Can you tell what are the  missing symbols?

There are no missing symbols, but as the behaviour changed
(-1 on
selected tabs, for example), it's logically incompatible.

/
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On Saturday 10 May 2008 1:26 am, Kevin Smith wrote:
> >> With Qt-4.4, Trolltech broke their policy of
backwards compatability
> >> within major releases. Applications, like Psi
0.11, desiged for
> >> Qt4.0-Qt4.3 may well not work with 4.4. Psi
0.12 will be compatible
> >> with both Qt-4.0-4.3 and 4.4.
> >
> > No, the policy was not broken. Qt 4.4 should be
binary compatible with Qt
> > 4.3 Can you tell what are the  missing symbols?
>
> There are no missing symbols, but as the behaviour
changed (-1 on
> selected tabs, for example), it's logically
incompatible.

Indeed, there's more to library compatibility than symbols
being present.  
Those symbols still have to act in compatible ways.  We will
try to make Psi 
0.12 compatible with Qt 4.2-4.4, but unfortunately Psi 0.11
is broken with 
4.4 and there's nothing we can do about it. :(

It would be great if Trolltech could release a 4.4.1 with
restored 
compatibility.

-Justin
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