[Interest] Rebuild QPA plugins

[Benjamin TERRIER]

Le mer. 13 nov. 2019 à 11:06, Benjamin TERRIER <b.terrier at gmail.com> a
écrit :

>
> Now I have:
>
>     Cannot load library
> /opt/Qt/5.13.2/gcc_64/plugins/platforms/libqxcb.so:
> (/opt/Qt/5.13.2/gcc_64/plugins/platforms/libqxcb.so: undefined symbol:
> _ZTI26QPlatformIntegrationPlugin, version Qt_5)
>     QLibraryPrivate::loadPlugin failed on
> "/opt/Qt/5.13.2/gcc_64/plugins/platforms/libqxcb.so" : "Cannot load library
> /opt/Qt/5.13.2/gcc_64/plugins/platforms/libqxcb.so:
> (/opt/Qt/5.13.2/gcc_64/plugins/platforms/libqxcb.so: undefined symbol:
> _ZTI26QPlatformIntegrationPlugin, version Qt_5)"
>     qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even
> though it was found.
>
> ldd has no missing libraries, but reports:
>
> undefined symbol: _ZTI26QPlatformIntegrationPlugin, version Qt_5
>  (./libqxcb.so)
> undefined symbol:
> _ZN26QPlatformIntegrationPlugin6createERK7QStringRK11QStringList, version
> Qt_5        (./libqxcb.so)
> undefined symbol: _ZN26QPlatformIntegrationPlugin16staticMetaObjectE,
> version Qt_5      (./libqxcb.so)
> undefined symbol: _ZN26QPlatformIntegrationPluginC2EP7QObject, version
> Qt_5     (./libqxcb.so)
> undefined symbol: _ZN26QPlatformIntegrationPlugin11qt_metacastEPKc,
> version Qt_5        (./libqxcb.so)
> undefined symbol:
> _ZN26QPlatformIntegrationPlugin11qt_metacallEN11QMetaObject4CallEiPPv,
> version Qt_5   (./libqxcb.so)
> undefined symbol: _ZN26QPlatformIntegrationPluginD2Ev, version Qt_5
> (./libqxcb.so)
>
>
Building with CentOS 7 and g++ 4.8 solves the issues.
Since Qt official releases are built with g++ 5 I tried to install
"devtoolset-5", but strangely it seems it is not available.

Regards

Benjamin
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