On Tuesday 26 April 2005 10:31, Steve Langasek wrote:
> On Tue, Apr 26, 2005 at 09:15:09AM +0200, Matthias Klose wrote:
> > A proposal for a simplification, which reduces/avoids the renaming of
> > the KDE packages. All KDE packages depend directly or indirectly on
> > libqt3, so it is enough to rename the packages libqt3c102 to libqt3
> > and libqt3c102-mt to libqt3-mt and add a conflict with th old name.
> > This way, you cannot install qt3 dependent packages which are built
> > with different compiler versions. This avoids renaming about 100 out
> > of 400 packages containing libraries.
> Ok, I'm now able to formulate the rationale for the question I had earlier
> about this. Are we sure that all of these KDE apps *need* to depend on
> libqt3c102-mt, or do they just do so because of classic libtool/pkg-config
> bugs? If any one of these KDE apps is linked against libqt3c102-mt solely
> due to historical breakage, we have this scenario:
> Random KDE app, "kohlrabi", gets built with fixed libtool prior to
> transition, loses the Qt dep but retains the kdelibs4 dep
As soon as one uses a single KDE widget QT in pulled in via inheritance.
engine) and libkdefakes.so (only some portability funtions) that do not link
engine. Don't now is something like that exists.
> libqt3c102-mt goes through ABI transition, is renamed libqt3, conflicts with
> old libqt3c102-mt package
> kdelibs4 is rebuilt against libqt3 and the new ABI, becomes installable
> kohlrabi, which depends on kdelibs4, remains installable but is broken
> And as it turns out, for a current example of "kohlrabi", see kdoomsday or
kdoomsday: includes qt headers and .so depends on libqt-mt.so.3. I guess
/usr/lib/kde3/*.so is not searched for shlib dependencies.
amarok: 1.2.3-1 depends on qt3c102-mt (>= 3:3.3.3) and amarok is full
of qt and kde stuff.
> I don't know how deep the library dependency chain is on KDE, but it's
> entirely possible that this problem applies all the way up.
> Steve Langasek
> postmodern programmer
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