Re: [gentoo-user] Uncle: qt-*:4 dependencies/blocks preventing world update

[econti <contiemilio@alice.it>]

Amit Dor-Shifer ha scritto:
> With regards to this:
> I believe I'm in the same situation:
>
> <QUOTE>
> amit0 ~ # emerge -auvt world
>
> These are the packages that would be merged, in reverse order:
>
> Calculating dependencies... done!
>
> !!! Multiple package instances within a single package slot have been 
> pulled
> !!! into the dependency graph, resulting in a slot conflict:
>
> x11-libs/qt-core:4
>
>  ('ebuild', '/', 'x11-libs/qt-core-4.5.2', 'merge') pulled in by
>    ~x11-libs/qt-core-4.5.2[-debug] required by ('ebuild', '/', 
> 'x11-libs/qt-test-4.5.2', 'merge')
>    ~x11-libs/qt-core-4.5.2[glib,-debug,-qt3support] required by 
> ('ebuild', '/', 'x11-libs/qt-gui-4.5.2-r2', 'merge')
>    ~x11-libs/qt-core-4.5.2[-debug] required by ('ebuild', '/', 
> 'x11-libs/qt-dbus-4.5.2', 'merge')
>    (and 2 more)
>
>  ('ebuild', '/', 'x11-libs/qt-core-4.5.1', 'merge') pulled in by
>    >=x11-libs/qt-core-4.5.1:4[qt3support,ssl] required by ('ebuild', 
> '/', 'kde-base/libkcddb-4.3.1', 'merge')
>    x11-libs/qt-core:4 required by ('ebuild', '/', 
> 'kde-base/automoc-0.9.88', 'merge')
>    ~x11-libs/qt-core-4.5.1[qt3support,-debug] required by ('ebuild', 
> '/', 'x11-libs/qt-sql-4.5.1', 'merge')
>    (and 2 more)
>
> x11-libs/qt-gui:4
>
>  ('ebuild', '/', 'x11-libs/qt-gui-4.5.1', 'merge') pulled in by
>    >=x11-libs/qt-gui-4.5.1:4[accessibility,dbus] required by 
> ('ebuild', '/', 'kde-base/libkcddb-4.3.1', 'merge')
>    >=x11-libs/qt-gui-4.5.1:4[accessibility,dbus] required by 
> ('ebuild', '/', 'kde-base/libknotificationitem-4.3.1', 'merge')
>    >=x11-libs/qt-gui-4.4.0:4 required by ('ebuild', '/', 
> 'media-sound/phonon-4.4_pre20090520', 'merge')
>    (and 2 more)
>
>  ('ebuild', '/', 'x11-libs/qt-gui-4.5.2-r2', 'merge') pulled in by
>    ~x11-libs/qt-gui-4.5.2[-debug,-qt3support] required by ('ebuild', 
> '/', 'x11-libs/qt-opengl-4.5.2-r1', 'merge')
>    ~x11-libs/qt-gui-4.5.2[-debug] required by ('ebuild', '/', 
> 'x11-libs/qt-webkit-4.5.2-r1', 'merge')
>
>
> <SNIP>
>
> emerge: there are no ebuilds built with USE flags to satisfy 
> "~x11-libs/qt-core-4.5.2[qt3support,-debug]".
> !!! One of the following packages is required to complete your request:
> - x11-libs/qt-core-4.5.2 (Change USE: +qt3support)
> (dependency required by "x11-libs/qt-qt3support-4.5.2" [ebuild])
> (dependency required by "kde-base/libkcddb-4.3.1" [ebuild])
> (dependency required by "app-cdr/k3b-1.68.0_alpha3" [ebuild])
> (dependency required by "world" [argument])
>
> </QUOTE>
>
> However, the mentioned news item doesn't appear on my 'unread' list:
>
> amit0 ~ # eselect news list
> News items:
>  [1]   read    2009-04-06  Migration to X.org Server 1.5
>  [2]   read    2009-10-02  Migration to X.org Server 1.6 and libxcb 1.4
>  [3]   read    2009-07-02  kdeprefix and monolithic ebuilds issues
>  [4]   read    2009-04-18  Generation 1 Java Setup Deprecated
>  [5]   read    2009-07-12  xorg-x11-7.4 and xorg-server-1.5 kernel 
> support
>
> though it does exist on the filesystem:
>
> [13:35:50] amit0 ~ # head 
> /usr/portage/metadata/news/2009-09-27-qt_use_changes/2009-09-27-qt_use_changes.en.txt 
>
> Title: Qt 4.5.2 default USE flag changes
> Author: Alex Alexander <wired@gentoo.org>
> Content-Type: text/plain
> Posted: 2009-09-27
> Revision: 1
> News-Item-Format: 1.0
> Display-If-Installed: <x11-libs/qt-core-4.5.2
>
> Would that "Display-If-Installed" be the reason why it's missing from 
> the list?
>
> amit0 ~ # qlist -Uv qt
> dev-libs/dbus-qt3-old-0.70
> dev-libs/poppler-qt3-0.10.7
> virtual/poppler-qt3-0.10.7
> x11-libs/qt-3.3.8b-r1 (cups nis opengl)
>
> What I'm trying to say is: if indeed the issue here is the same as 
> Alan's, then "qt_use_changes" should show up when I 'eselect news read'.
>
> Amit
>
> Dirk Heinrichs wrote:
>> Am Donnerstag 22 Oktober 2009 23:19:07 schrieb Alan E. Davis:
>>  
>>> I've tried alot of things, but I give up.  Can someone help me with the
>>>  knot of dependencies that has been holding my system in hostage 
>>> from any
>>>  attempt to update world, for weeks now?
>>>     
>>
>> Please read your portage news, especially 
>> "2009-09-27-qt_use_changes". See also this weeks thread with subject 
>> "Confusion".
>>
>> HTH...
>>
>>     Dirk

Remember also the dbus USE flag: that solved my problem. :-)

Bye
emilio