In file included from /usr/include/lxqt/LXQt/ConfigDialog:1:0,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/sessionconfigwindow.h:32,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/main.cpp:34:
/usr/include/lxqt/LXQt/lxqtconfigdialog.h:61:78: error: ‘QString::QString(const char*)’ is private within this context
     void addPage(QWidget* page, const QString& name, const QString& iconName="application-x-executable");
                                                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/qt5/QtCore/qcoreapplication.h:44:0,
                 from /usr/include/qt5/QtWidgets/qapplication.h:44,
                 from /usr/include/qt5/QtWidgets/QApplication:1,
                 from /usr/include/lxqt/LXQt/lxqtapplication.h:31,
                 from /usr/include/lxqt/LXQt/lxqtsingleapplication.h:31,
                 from /usr/include/lxqt/LXQt/SingleApplication:1,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/main.cpp:28:
/usr/include/qt5/QtCore/qstring.h:793:5: note: declared private here
     QString(const char *ch);
     ^~~~~~~
In file included from /usr/include/lxqt/LXQt/ConfigDialog:1:0,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/sessionconfigwindow.h:32,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/sessionconfigwindow.cpp:35:
/usr/include/lxqt/LXQt/lxqtconfigdialog.h:61:78: error: ‘QString::QString(const char*)’ is private within this context
     void addPage(QWidget* page, const QString& name, const QString& iconName="application-x-executable");
                                                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/qt5/QtCore/qobject.h:47:0,
                 from /usr/include/qt5/QtWidgets/qwidget.h:45,
                 from /usr/include/qt5/QtWidgets/qframe.h:44,
                 from /usr/include/qt5/QtWidgets/qlineedit.h:44,
                 from /usr/include/qt5/QtWidgets/QLineEdit:1,
                 from /var/tmp/portage/lxqt-base/lxqt-session-9999/work/lxqt-session-9999/lxqt-config-session/sessionconfigwindow.cpp:28:
/usr/include/qt5/QtCore/qstring.h:793:5: note: declared private here
     QString(const char *ch);