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List:       kde-devel
Subject:    Re: QT 3.0 and future KDR Road Map
From:       Ralf Nolden <nolden () kde ! org>
Date:       2001-05-28 11:37:03
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Bernd Gehrmann wrote:

Moin Bernd,

> > Having said that, KDE 1 binaries can run run under KDE2 by installing QT1,
> > kdesupport1 and kdelibs1.  Different library symbols make this relatively
> > simple (libqt -> libqt2, but an application specifically linking libqt1 gets
> > it).   Theoretically the same will apply with KDE3 vs KDE2, although it might
> > be a little harder as more active IPC mechanisms become popular.
> 
> Reality check? Currently, applications linked with kdelibs from HEAD don't
> work simultaneously with applications linked with kdelibs 2.1. And that's
> going to become better?

That's called Backwards compatibility but not forward compatibility :) 
Seriously, developers who take the API of 2.0 and also link with 2.0
libs are compatible with 2.1 and will be with 2.2. Compiling and linking
with 2.1 obviously will only make these packages run on 2.1 systems. I
quite do not see the point here other than that KDE libs have the same
version number despite the fact that they changed, and for the reason to
not overload the system's hdd's with "redundant" libs. The
responsibility is on the developer who designs his application to use
2.0 libraries if he wants to have his binary run with a KDE version <=
2.0, simple as that.


Ralf
-- 
Finally, even I have to admit that being myself was the best thing
that ever could have happened to me. - Le Grand Charmeur

**********************************
Ralf Nolden

The KDevelop Project
http://www.kdevelop.org

nolden@kde.org
rnolden@kdevelop.org
**********************************
 
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