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#1 2013-05-09 05:24:48

heidegger
Member
Registered: 2013-04-24
Posts: 16

virtual dependencies? (pacman)

What are virtual dependencies and how do I work with them?

Specifically, I am trying to install xbmc which has gone ok but, for hardware acceleration vdpau-video is required.
I have libva-vdpau-video installed but vdpau-video is not registering as installed during the xbmc install, and therefore no hardware acceleration.
Vdpau-video is listed as an optional, virtual dependency here: https://www.archlinux.org/packages/comm … 6_64/xbmc/

So, what does this mean and how do I make it work? Thanks.

H

EDIT: There are no packages in the repo's named vdpau-video.

Last edited by heidegger (2013-05-09 05:46:31)

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#2 2013-05-09 06:58:57

fukawi2
Forum Moderator
From: .vic.au
Registered: 2007-09-28
Posts: 5,280
Website

Re: virtual dependencies? (pacman)

As best I can tell, a 'virtual' dependency is one where pacman is unable to locate an actual package by that name. Perhaps libva-vdpau-driver or libvdpau are what you're looking for?

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#3 2013-05-09 07:48:11

karol
Archivist
Registered: 2009-05-06
Posts: 25,427

Re: virtual dependencies? (pacman)

fukawi2 wrote:

As best I can tell, a 'virtual' dependency is one where pacman is unable to locate an actual package by that name.

Not exactly. Package foo might provide bar, but libva-vdpau-driver only replaces vdpau-video so you can't 'pacman -S vdpau-video', but you can e.g. 'pacman -S sh'.

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#4 2013-05-09 08:47:38

arojas
Developer
From: Spain
Registered: 2011-10-09
Posts: 1,170

Re: virtual dependencies? (pacman)

It means that no packages in the official repos provide them, and it should be reported to the bug tracker

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#5 2013-05-09 20:10:14

heidegger
Member
Registered: 2013-04-24
Posts: 16

Re: virtual dependencies? (pacman)

OK, I created a bug report here:
https://bugs.archlinux.org/task/35172
If you have time, please check if I've done it right.
Arch noob here.
Thanks H

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#6 2013-06-06 18:34:14

karol
Archivist
Registered: 2009-05-06
Posts: 25,427

Re: virtual dependencies? (pacman)

heidegger wrote:

OK, I created a bug report here:
https://bugs.archlinux.org/task/35172

Fixed in svn.

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