Re: [gentoo-dev] [RFC] Useflags: qt, qt3, qt4?

[Steve Dibb <beandog@gentoo.org>]

Marius Mauch wrote:
> I don't mind the qt3/qt4 flags for packages that support both, but could
> we also have a qt flag that selects the "preferred" version (or for
> packages that only support one)? Many people simply don't care about the
> version but also don't need support for both in every package, also
> that makes transition easier IMHO.
> Though that creates a problem when both the unversioned and one of the
> versioned flags are used, not sure how to deal with that.
>   
That gives me an idea, and if this has been suggested before, just 
ignore me -- I'm new here. :)

What about having a variable in make.conf, something like 
USE_QT_VERSIONS, where you could put the preferred Qt versions that 
you'd like support built for?

So, for example, if I wanted Qt3 and Qt4 support, I'd put 
USE_QT_VERSIONS="3 4" in make.conf. If I wanted one and not the other, 
just put in "3" or "4" instead.

That way, you could still keep just one "qt" USE flag.

Steve
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