From gentoo-dev  Wed Jun 21 13:21:27 2006
From: Caleb Tennis <caleb () gentoo ! org>
Date: Wed, 21 Jun 2006 13:21:27 +0000
To: gentoo-dev
Subject: Re: [gentoo-dev]  [RFC] Useflags: qt, qt3, qt4?
Message-Id: <200606210921.27405.caleb () gentoo ! org>
X-MARC-Message: https://marc.info/?l=gentoo-dev&m=115089626911995

On Tuesday 20 June 2006 12:40, Stefan Schweizer wrote:
> Hi,
>
> with kde4 approaching and the new Qt-4 being in the tree we suddenly see
> the same problems that gtk had with the gtk2 flag again.

I think there's a lot of good thoughts surrounding how to handle this.  There 
are 2 categories of packages we need to concern ourselves with:

1) A package can optionally add support for Qt3 or Qt4 (such as dbus).

Solution: The qt flag represents the latest qt major version for the package.  
The maintainer can either put in another flag for the older version (qt3?) or 
provide a separate package (e.g. dbus-qt3 ).

2) A package requires either Qt3 or Qt4 (both not both?...such as 
x11-libs/qwt-5).  

Solution: Build against qt4.  If you want to provide the same package for the 
qt3 version, add a new package to portage I suppose.

--------

In the end, this is just merely suggestion.  I think each maintainer should 
come up with the best way to handle the situation unless someone is going to 
GLEP this.

I think we should, however, do our best to avoid a situation where we have 
some ugly combination of USE="qt -qt3" or USE="qt4 -qt qt3"...

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