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error: virtual function ‘virtual QString PythonQtShell_QXmlStreamEntityResolver::resolveEntity(const QString&, const QString&)’ overriding final function #370
Description
Hi, I'm getting the error below with both v4.2.0 and from latest git when building from Arch Linux with Qt 6.12
About a week ago builded fine against Qt 6.11.2
If you need more info let me know
com_trolltech_qt_gui_init.o ../../generated_cpp/com_trolltech_qt_gui/com_trolltech_qt_gui_init.cpp
In file included from ../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core_init.cpp:7:
../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core4.h:106:10: error: virtual function ‘virtual QString PythonQtShell_QXmlStreamEntityResolver::resolveEntity(const QString&, const QString&)’ overriding final function
106 | QString resolveEntity(const QString& publicId, const QString& systemId) override;
| ^~~~~~~~~~~~~
In file included from ../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core4.h:13:
/usr/include/qt6/QtCore/qxmlstream.h:236:21: note: overridden function is ‘virtual QString QXmlStreamEntityResolver::resolveEntity(const QString&, const QString&)’
236 | virtual QString resolveEntity(const QString& publicId, const QString& systemId) final;
| ^~~~~~~~~~~~~
In file included from ../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core4.cpp:1:
../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core4.h:106:10: error: virtual function ‘virtual QString PythonQtShell_QXmlStreamEntityResolver::resolveEntity(const QString&, const QString&)’ overriding final function
106 | QString resolveEntity(const QString& publicId, const QString& systemId) override;
| ^~~~~~~~~~~~~
In file included from ../../generated_cpp/com_trolltech_qt_core/com_trolltech_qt_core4.h:13:
/usr/include/qt6/QtCore/qxmlstream.h:236:21: note: overridden function is ‘virtual QString QXmlStreamEntityResolver::resolveEntity(const QString&, const QString&)’
236 | virtual QString resolveEntity(const QString& publicId, const QString& systemId) final;
| ^~~~~~~~~~~~~
make[2]: *** [Makefile:1973: com_trolltech_qt_core4.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [Makefile:1994: com_trolltech_qt_core_init.o] Error 1
make[2]: Leaving directory '/home/fabio/Dev/Github/PKGBUILD-AUR_fix/p/pythonqt-git/src/pythonqt/extensions/PythonQt_QtAll'
make[1]: *** [Makefile:47: sub-PythonQt_QtAll-make_first] Error 2
make[1]: Leaving directory '/home/fabio/Dev/Github/PKGBUILD-AUR_fix/p/pythonqt-git/src/pythonqt/extensions'
make: *** [Makefile:101: sub-extensions-make_first] Error 2
==> ERROR: A failure occurred in build().
Reacted by Daniel Bermond
Activity
usiems commentedon Oct 27, 2026
Sorry for the late answer, I lost sight of this issue.
We didn't adapt the binding generator to Qt 6.12 yet. It seems the Qt API started to use the
finalkeyword, and we need to teach the generator to not try to generate shell implementations for methods marked withfinal(shell implementations are needed to allow Python code to override virtual C++ methods). Since the method is markedfinal, it obviously isn't meant to be overridden again anyway.I can't give any promises about when we will get around to fix this.
usiems commentedon Oct 29, 2026
As a quick fix you could try to add a rejection statement to the generator/typesystem_core.xml file. Something like
<rejection class="QXmlStreamEntityResolver" function-name="resolveEntity" since-version="6.12"/>should prevent the method from being generated.
But I suspect that this will not be the only problem with Qt 6.12