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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Zoltan Gaal <z.p.gaal@gmail.com>
Date: Sun, 02 Sep 2012 05:39:58 -0700
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Subject: Re: [PATCH] mesa: clean up PACKAGECONFIG
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On Sun, 2012-09-02 at 12:39 +0200, Zoltan Gaal wrote:
> I've tried it, but mesa-dri is required for xserver and it won't compile 
> without it. libgles-omap3 cannot replace the mesa dependency, though I'm 
> not sure  if it is a simple config issue or some interface is missing 
> (libgl). And as libgles-omap3 also provides virtual/egl, the bitbake 
> process detects, there exists multiple projects with the same provided 
> feature:
> 
> NOTE: Resolving any missing task queue dependencies
> NOTE: Preparing runqueue
> ERROR: Multiple .bb files are due to be built which each provide 
> virtual/egl 
> (/home/gzp/work/gumstix/oe/oe-meta/meta-ti/recipes-graphics/libgles/libgles-omap3_4.05.00.03.bb 
> /home/gzp/work/gumstix/oe/oe-core/meta/recipes-graphics/mesa/mesa-dri_8.0.4.bb).
>   This usually means one provides something the other doesn't and should.
> NOTE: Executing SetScene Tasks
> NOTE: Executing RunQueue Tasks
> 
> (in local.conf: PREFERRED_PROVIDER_virtual/egl="libgles-omap3")

Try also adding it to MULTI_PROVIDER_WHITELIST (see bitbake.conf).

This error message did use to just be a note but was turned into an
error at various user's requests. Sometimes it means there are serious
configuration issues, in a case like this, its ok though...

Cheers,

Richard