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List: kde-core-devel
Subject: Re: Running kde4 applications in the kde3 desktop
From: Thiago Macieira <thiago () kde ! org>
Date: 2006-03-25 13:37:59
Message-ID: 200603251438.00240.thiago () kde ! org
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Cornelius Schumacher wrote:
>On Friday 24 March 2006 20:32, Thiago Macieira wrote:
>> Olivier Goffart wrote:
>> >But this is IMO a severe problem that need to be fixed.
>>
>> We will drop DCOP support in KDE4 before we release it.
>>
>> As for ksycoca, there is no solution. Your KDE 3 apps and your KDE 4
>> apps cannot share the database. You must set up separate KDEHOME and
>> KDEVARTMP.
>
>What's the exact reason that makes it impossible to have KDE 4 apps run
> nicely on a KDE 3 desktop now? It's annoying to have to use several
> magic variables, separate users or whatever to be able to develop KDE 4
> apps.
Well, I'd guess it's the fact that we haven't done that assessment yet.
So we're overwriting the sycoca database with a new and probably
incompatible version. It's the same issue you face every time you upgrade
KDE: the sycoca database version changes. You mustn't downgrade KDE after
you upgrade it.
But for KDE 4, I guess we'll have to put some effort into ensuring both
worlds still work. I don't have much hopes for both worlds communicating
with each other, though.
--
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
thiago.macieira (AT) trolltech.com Trolltech AS
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