On 07/01/2015 16:12, Raffaele BELARDI wrote:
> I have a block, I'm not looking for a solution yet, just a correct
> interpretation of the error messages:
> 
> [blocks B      ] <x11-base/xorg-server-1.16.2-r1
> ("<x11-base/xorg-server-1.16.2-r1" is blocking
> app-admin/eselect-opengl-1.3.1-r1)
> 
>  * Error: The above package list contains packages which cannot be
>  * installed at the same time on the same system.
> 
>   (x11-base/xorg-server-1.12.4-r2:0/1.12.4::gentoo, installed) pulled in by
>     x11-base/xorg-server[xorg] required by
> (x11-drivers/xf86-video-vesa-2.3.3:0/0::gentoo, installed)
>     >=x11-base/xorg-server-1.0.99 required by
> (x11-drivers/xf86-video-vesa-2.3.3:0/0::gentoo, installed)
> (snip)
> 
>   (app-admin/eselect-opengl-1.3.1-r1:0/0::gentoo, ebuild scheduled for
> merge) pulled in by
>     >=app-admin/eselect-opengl-1.3.0 required by
> (x11-proto/glproto-1.4.17-r1:0/0::gentoo, ebuild scheduled for merge)
>     >=app-admin/eselect-opengl-1.3.0 required by
> (media-libs/mesa-10.3.5-r1:0/0::gentoo, ebuild scheduled for merge)
>     >=app-admin/eselect-opengl-1.0.8 required by
> (x11-base/xorg-server-1.12.4-r2:0/1.12.4::gentoo, installed)
> 
> Looks to me the message is wrong. Shouldn't the first line read
> ("!<x11-base/xorg-server-1.16.2-r1" is blocking
> app-admin/eselect-opengl-1.3.1-r1)? Note the leading '!'


No, the ! doesn't mean not there

> 
> The ebuild in fact contains:
> RDEPEND=">=app-admin/eselect-1.2.4
>                !<media-libs/mesa-10.3.4-r1
>                !=media-libs/mesa-10.3.5
>                !<x11-proto/glproto-1.4.17-r1
>                !<x11-base/xorg-server-1.16.2-r1
>                  ....

The last line must be read as the package cannot be installed if
xorg-server version <1.16.2-r1 is present. Most deps are expressed as
"you must have this", but those 4 are expressed "you must not have this".

So the error message is correct, it is saying
app-admin/eselect-opengl-1.3.1-r1 cannot be installed as you have a
version of xorg-server earlier than 1.16.2-r1 already installed. There
is no negation there.

Solution: upgrade xorg-server then do everything else.


> 
> thanks,
> 
> raffaele
> 


-- 
Alan McKinnon
[email protected]


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