In one my project, a build on MacOS under GitHub action:
macos:
name: macos
runs-on: macos-11
Subproject JKQtPlotter fails with:
[ 64%] Building CXX object 3rdparty/JKQtPlotter/lib/jkqtplotter/CMakeFiles/JKQTPlotterSharedLib.dir/JKQTPlotterSharedLib_autogen/mocs_compilation.cpp.o
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/mocs_compilation.cpp:2:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/moc_jkqtpbarchart.cpp:10:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/../../graphs/jkqtpbarchart.h:25:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/QPainter:1:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/qpainter.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/qpixmap.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qsharedpointer.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qsharedpointer_impl.h:65:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qobject.h:54:
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:872:49: error: member 'qt_check_for_QGADGET_macro' found in multiple base classes of different types
IsRealGadget = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *),
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:1189:25: note: in instantiation of template class 'QtPrivate::IsGadgetHelper<JKQTPBarVerticalGraph>' requested here
| (IsGadgetHelper<T>::IsGadgetOrDerivedFrom ? QMetaType::IsGadget : 0)
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2367:21: note: in instantiation of template class 'QtPrivate::QMetaTypeTypeFlags<JKQTPBarVerticalGraph>' requested here
/*.flags=*/ QMetaTypeTypeFlags<T>::Flags,
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2494:48: note: in instantiation of static data member 'QtPrivate::QMetaTypeInterfaceWrapper<JKQTPBarVerticalGraph>::metaType' requested here
return &QMetaTypeInterfaceWrapper<Ty>::metaType;
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2538:16: note: in instantiation of function template specialization 'QtPrivate::qTryMetaTypeInterfaceForType<qt_meta_stringdata_JKQTPBarVerticalGraph_t, QtPrivate::TypeAndForceComplete<JKQTPBarVerticalGraph, std::integral_constant<bool, true>>>' requested here
QtPrivate::qTryMetaTypeInterfaceForType<Unique, T>()...
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/moc_jkqtpbarchart.cpp:95:1: note: in instantiation of variable template specialization 'qt_incomplete_metaTypeArray<qt_meta_stringdata_JKQTPBarVerticalGraph_t, QtPrivate::TypeAndForceComplete<JKQTPBarVerticalGraph, std::integral_constant<bool, true>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<int, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<unsigned long, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<int, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<unsigned long, std::integral_constant<bool, false>>>' requested here
qt_incomplete_metaTypeArray<qt_meta_stringdata_JKQTPBarVerticalGraph_t
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/./jkqtplotter/jkqtpgraphsbasestylingmixins.h:49:9: note: member found by ambiguous name lookup
Q_GADGET
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:193:18: note: expanded from macro 'Q_GADGET'
#define Q_GADGET Q_GADGET_EXPORT()
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:182:10: note: expanded from macro 'Q_GADGET_EXPORT'
void qt_check_for_QGADGET_macro(); \
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/./jkqtplotter/jkqtpgraphsbasestylingmixins.h:396:9: note: member found by ambiguous name lookup
Q_GADGET
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:193:18: note: expanded from macro 'Q_GADGET'
#define Q_GADGET Q_GADGET_EXPORT()
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:182:10: note: expanded from macro 'Q_GADGET_EXPORT'
void qt_check_for_QGADGET_macro(); \
^
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/mocs_compilation.cpp:2:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/moc_jkqtpbarchart.cpp:10:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/../../graphs/jkqtpbarchart.h:25:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/QPainter:1:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/qpainter.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtGui.framework/Headers/qpixmap.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qsharedpointer.h:48:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qsharedpointer_impl.h:65:
In file included from /Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qobject.h:54:
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:872:49: error: member 'qt_check_for_QGADGET_macro' found in multiple base classes of different types
IsRealGadget = sizeof(checkType(&T::qt_check_for_QGADGET_macro)) == sizeof(void *),
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:1189:25: note: in instantiation of template class 'QtPrivate::IsGadgetHelper<JKQTPBarVerticalErrorGraph>' requested here
| (IsGadgetHelper<T>::IsGadgetOrDerivedFrom ? QMetaType::IsGadget : 0)
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2367:21: note: in instantiation of template class 'QtPrivate::QMetaTypeTypeFlags<JKQTPBarVerticalErrorGraph>' requested here
/*.flags=*/ QMetaTypeTypeFlags<T>::Flags,
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2494:48: note: in instantiation of static data member 'QtPrivate::QMetaTypeInterfaceWrapper<JKQTPBarVerticalErrorGraph>::metaType' requested here
return &QMetaTypeInterfaceWrapper<Ty>::metaType;
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qmetatype.h:2538:16: note: in instantiation of function template specialization 'QtPrivate::qTryMetaTypeInterfaceForType<qt_meta_stringdata_JKQTPBarVerticalErrorGraph_t, QtPrivate::TypeAndForceComplete<JKQTPBarVerticalErrorGraph, std::integral_constant<bool, true>>>' requested here
QtPrivate::qTryMetaTypeInterfaceForType<Unique, T>()...
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/moc_jkqtpbarchart.cpp:204:1: note: in instantiation of variable template specialization 'qt_incomplete_metaTypeArray<qt_meta_stringdata_JKQTPBarVerticalErrorGraph_t, QtPrivate::TypeAndForceComplete<JKQTPBarVerticalErrorGraph, std::integral_constant<bool, true>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<int, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<unsigned long, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<int, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<void, std::integral_constant<bool, false>>, QtPrivate::TypeAndForceComplete<unsigned long, std::integral_constant<bool, false>>>' requested here
qt_incomplete_metaTypeArray<qt_meta_stringdata_JKQTPBarVerticalErrorGraph_t
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/./jkqtplotter/jkqtpgraphsbasestylingmixins.h:49:9: note: member found by ambiguous name lookup
Q_GADGET
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:193:18: note: expanded from macro 'Q_GADGET'
#define Q_GADGET Q_GADGET_EXPORT()
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:182:10: note: expanded from macro 'Q_GADGET_EXPORT'
void qt_check_for_QGADGET_macro(); \
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/./jkqtplotter/jkqtpgraphsbasestylingmixins.h:396:9: note: member found by ambiguous name lookup
Q_GADGET
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:193:18: note: expanded from macro 'Q_GADGET'
#define Q_GADGET Q_GADGET_EXPORT()
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:182:10: note: expanded from macro 'Q_GADGET_EXPORT'
void qt_check_for_QGADGET_macro(); \
^
/Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/./jkqtplotter/jkqtpgraphsbaseerrors.h:315:9: note: member found by ambiguous name lookup
Q_GADGET
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:193:18: note: expanded from macro 'Q_GADGET'
#define Q_GADGET Q_GADGET_EXPORT()
^
/Users/runner/work/md-pdf/Qt/6.3.1/macos/lib/QtCore.framework/Headers/qtmetamacros.h:182:10: note: expanded from macro 'Q_GADGET_EXPORT'
void qt_check_for_QGADGET_macro(); \
^
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/mocs_compilation.cpp:2:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/moc_jkqtpbarchart.cpp:10:
In file included from /Users/runner/work/md-pdf/md-pdf/3rdparty/JKQtPlotter/lib/jkqtplotter/JKQTPlotterSharedLib_autogen/XT4CMLABNO/../../graphs/jkqtpbarchart.h:25:
I don't have MacOS to play with this problem. Maybe somebody knows how to fix it? Thanks.
CodePudding user response：
Ok, this is an issue of Qt6 when building with Clang. Qt Bug has been confirmed. So I decided to post such answer.