On Mon, Sep 19, 2011 at 02:40:30AM +0200, Kevin Kofler wrote:
> The use case I have in mind, which is a real-world case, is this:
> phonon Requires: phonon-backend
> phonon-backend-* Provides: phonon-backend
> phonon-backend-* Requires: phonon
> I want any random phonon-backend-* to satisfy the dependency, HOWEVER, I
> want installing phonon when it previously wasn't installed to always drag in
> phonon-backend-gstreamer, our default backend and the one working the best,
> not some random backend which happens to have fewer dependencies. Yum's
> convoluted logic is making it basically impossible to do that, and in fact,
> on the RPM Fusion builders, phonon-backend-vlc is selected instead, which is
> always fun because it means vlc's regular broken dependencies can break
> builds of anything KDE-related in RPM Fusion. (I had a k3b-extras-freeworld
> build break because of this very issue.) I guess users installing KDE with
> RPM Fusion Free enabled will also get the VLC backend by default, which is
> not what we want.
Sounds like you want weak dependencies (i.e. "Suggests" et al).
Cheers,
Michael.
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Michael Schroeder mls@xxxxxxx
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