Vít Ondruch wrote:
> It is interesting to see such response from somebody who appears to be
> maintainer of Qt. Don't we ship 3 parallel installable version of Qt?
We indeed ship major (first digit!) versions of Qt as parallel-installable
versions. They are for all practical purposes different libraries (with
different sonames and even different unversioned library names), and they
have different package names (as they should). (We also make them both
coexist in /usr, without requiring kludges such as SCLs.)
I don't think allowing multiple versions of the qt package to be installed
at the same time would be beneficial, at all. In fact, some people would
then try to co-install qt-4.8.5 with qt-4.7.x or even qt-4.8.4, which is of
course NOT supported; stuff should just be made to work with the latest
4.x.x (which we ship as an update) instead.
As for renaming qt to qt4 once qt5 is current (and maybe also qt5-* to qt-*,
I'm not sure whether we will do that), that's what (versioned) Obsoletes is
for.
> To be honest, the Kernel is the last package, which should be paraller
> installable, since you can run just one kernel at time.
But removing the running kernel is problematic because of the dynamic module
loading.
Kevin Kofler
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