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On Mon, Jun 29, 2009 at 9:47 AM, Paul |
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Hartman<paul.hartman+gentoo@×××××.com> wrote: |
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> On Mon, Jun 29, 2009 at 12:04 AM, Roy Wright<roy@××××××.org> wrote: |
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>> Howdy, |
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>> |
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>> On ~x86 did the upgrade to qt 4.5.2 and get the following message: |
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>> |
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>> "After a rebuild or upgrade of Qt, it can happen that Qt plugins (such as Qt |
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>> and KDE styles and widgets) can no longer be loaded. In this situation you |
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>> should recompile the packages providing these plugins... |
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>> |
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>> "Packages that typically need to be recompiled are kdelibs from KDE4, any |
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>> additional KDE4/Qt4 styles, qscintilla and PyQt4..." |
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>> |
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>> Then followed the link on the plugins which stated: |
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>> |
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>> "The Qt library and all plugins are built using a build key. The build key |
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>> in the Qt library is examined against the build key in the plugin, and if |
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>> they match, the plugin is loaded. If the build keys do not match, then the |
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>> Qt library refuses to load the plugin." |
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>> |
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>> So how do I find all the installed qt plugins on my system and check their |
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>> build keys? |
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> |
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> From a couple minutes of poking around: |
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> |
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> strings /usr/lib/qt4/libQtCore.so | grep Build.key |
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> |
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> strings some-other-file | grep buildkey |
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> |
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> Which comes back with seemingly everything build against Qt4... But I |
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> don't know how to tell which ones qualify as a "plug-in"... |
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> |
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> Typically when I rebuild Qt4 I also rebuild kdelibs, PyQt4, and my |
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> themes... in my case that is gtk-engines-kde4, gtk-engines-qt, and all |
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> qtcurve packages. Seems to work for me. |
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> |
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|
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After a little more research, it looks like Qt maintains its own |
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version-specific plug-in cache that lists the plugins and the build |
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keys in the ~/.config/Trolltech.conf file (which appears to be an |
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INI-style format). More info about accessing it via Qt here |
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http://doc.trolltech.com/4.5/qsettings.html |
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