[gentoo-user] Re: finding qt plugins?

[Nikos Chantziaras <realnc@arcor.de>]

On 06/29/2009 08:21 AM, Dale wrote:
> Roy Wright wrote:
>> Howdy,
>>
>> On ~x86 did the upgrade to qt 4.5.2 and get the following message:
>>
>> "After a rebuild or upgrade of Qt, it can happen that Qt plugins (such
>> as Qt
>> and KDE styles and widgets) can no longer be loaded. In this situation
>> you
>> should recompile the packages providing these plugins...
>>
>> "Packages that typically need to be recompiled are kdelibs from KDE4, any
>> additional KDE4/Qt4 styles, qscintilla and PyQt4..."
>>
>> Then followed the link on the plugins which stated:
>>
>> "The Qt library and all plugins are built using a build key. The build
>> key in the Qt library is examined against the build key in the plugin,
>> and if they match, the plugin is loaded. If the build keys do not
>> match, then the Qt library refuses to load the plugin."
>>
>> So how do I find all the installed qt plugins on my system and check
>> their build keys?
>
> I saw the same message on qt-4.5.1 and I just ran revdep-rebuild -i and
> it said all was fine.

revdep-rebuild only resolves link-time errors, not runtime errors.  You 
need to observe yourself if something is broken and then rebuild it 
manually; revdep-rebuild ain't gonna help in this case.