qfutureinterface.h:455:37: error: template-id not allowed for constructor in C++20 #1406
Description
/usr/lib/qt6/libexec/uic src/choiceitem.ui -o ui_choiceitem.h
/usr/lib/qt6/libexec/uic src/contentmanagerview.ui -o ui_contentmanagerview.h
/usr/lib/qt6/libexec/uic src/findinpagebar.ui -o ui_findinpagebar.h
/usr/lib/qt6/libexec/uic ui/kiwixchoicebox.ui -o ui_kiwixchoicebox.h
/usr/lib/qt6/libexec/uic ui/kiwixmessagebox.ui -o ui_kiwixmessagebox.h
/usr/lib/qt6/libexec/uic ui/mainwindow.ui -o ui_mainwindow.h
/usr/lib/qt6/libexec/uic ui/about.ui -o ui_about.h
/usr/lib/qt6/libexec/uic src/contentmanagerside.ui -o ui_contentmanagerside.h
/usr/lib/qt6/libexec/uic src/readinglistbar.ui -o ui_readinglistbar.h
/usr/lib/qt6/libexec/uic ui/localkiwixserver.ui -o ui_localkiwixserver.h
/usr/lib/qt6/libexec/uic ui/settings.ui -o ui_settings.h
ui/settings.ui: Warning: The name 'verticalLayout' (QVBoxLayout) is already in use, defaulting to 'verticalLayout1'.
/usr/lib/qt6/libexec/uic src/tableofcontentbar.ui -o ui_tableofcontentbar.h
/usr/lib/qt6/libexec/uic src/texttospeechbar.ui -o ui_texttospeechbar.h
g++ -c -pipe -std=c++17 -Werror -I/usr/local/include -I/usr/include/x86_64-linux-gnu -I/usr/include/p11-kit-1 -O2 -std=gnu++1z -Wall -Wextra -fPIC -D_REENTRANT -DVERSION=2.4.1 -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x060000 -DQT_NO_DEBUG -DQT_WEBENGINEWIDGETS_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_WEBENGINECORE_LIB -DQT_QUICK_LIB -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_QMLMODELS_LIB -DQT_WEBCHANNEL_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_QMLINTEGRATION_LIB -DQT_POSITIONING_LIB -DQT_TEXTTOSPEECH_LIB -DQT_CORE_LIB -I. -Isubprojects/QtSingleApplication/src -I/usr/include/x86_64-linux-gnu/qt6 -I/usr/include/x86_64-linux-gnu/qt6/QtWebEngineWidgets -I/usr/include/x86_64-linux-gnu/qt6/QtPrintSupport -I/usr/include/x86_64-linux-gnu/qt6/QtWidgets -I/usr/include/x86_64-linux-gnu/qt6/QtWebEngineCore -I/usr/include/x86_64-linux-gnu/qt6/QtQuick -I/usr/include/x86_64-linux-gnu/qt6/QtOpenGL -I/usr/include/x86_64-linux-gnu/qt6/QtGui -I/usr/include/x86_64-linux-gnu/qt6/QtQmlModels -I/usr/include/x86_64-linux-gnu/qt6/QtWebChannel -I/usr/include/x86_64-linux-gnu/qt6/QtQml -I/usr/include/x86_64-linux-gnu/qt6/QtNetwork -I/usr/include/x86_64-linux-gnu/qt6/QtQmlIntegration -I/usr/include/x86_64-linux-gnu/qt6/QtPositioning -I/usr/include/x86_64-linux-gnu/qt6/QtTextToSpeech -I/usr/include/x86_64-linux-gnu/qt6/QtCore -I. -I. -I/usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -o choiceitem.o src/choiceitem.cpp
In file included from /usr/include/x86_64-linux-gnu/qt6/QtCore/qfuture.h:9,
from /usr/include/x86_64-linux-gnu/qt6/QtCore/QtCore:98,
from /usr/include/x86_64-linux-gnu/qt6/QtNetwork/QtNetworkDepends:3,
from /usr/include/x86_64-linux-gnu/qt6/QtNetwork/QtNetwork:3,
from src/opdsrequestmanager.h:5,
from src/contentmanager.h:7,
from src/kiwixapp.h:5,
from src/choiceitem.cpp:5:
/usr/include/x86_64-linux-gnu/qt6/QtCore/qfutureinterface.h:455:37: error: template-id not allowed for constructor in C++20 [-Werror=template-id-cdtor]
455 | explicit QFutureInterface<void>(State initialState = NoState)