Since we upgraded Qt to 5.11, Krita's dependency kxmlgui has failed to build: https://hydra.gnu.org/build/2815173 We see this: ------ /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcuteditwidget.cpp: In lambda function: /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcuteditwidget.cpp:94:27: error: comparison between distinct pointer types ‘QAction*’ and ‘QObject*’ lacks a cast if (action != m_action) { ^ In file included from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtGui/qtguiglobal.h:43:0, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtWidgets/qtwidgetsglobal.h:43, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtWidgets/qwidget.h:43, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtWidgets/QWidget:1, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcutseditor.h:30, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcutsdialog_p.h:25, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcuteditwidget.cpp:26: /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qmetatype.h: In instantiation of ‘struct QtPrivate::IsPointerToTypeDerivedFromQObject’: /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qmetatype.h:1614:60: required from ‘struct QMetaTypeId’ /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qmetatype.h:1633:10: required from ‘struct QMetaTypeId2’ /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qobject_impl.h:68:49: required from ‘struct QtPrivate::TypesAreDeclaredMetaType >’ /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qobject.h:327:86: required from ‘static typename std::enable_if<(QtPrivate::FunctionPointer::ArgumentCount == (-1)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = void (KGlobalAccel::*)(QAction*, const QKeySequence&); Func2 = ShortcutEditWidget::ShortcutEditWidget(QWidget*, const QKeySequence&, const QKeySequence&, bool)::; typename std::enable_if<(QtPrivate::FunctionPointer::ArgumentCount == (-1)), QMetaObject::Connection>::type = QMetaObject::Connection; typename QtPrivate::FunctionPointer::Object = KGlobalAccel]’ /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcuteditwidget.cpp:99:5: required from here /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qmetatype.h:1386:9: error: invalid application of ‘sizeof’ to incomplete type ‘QAction’ Q_STATIC_ASSERT_X(sizeof(T), "Type argument of Q_DECLARE_METATYPE(T*) must be fully defined"); ^ In file included from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qobjectdefs.h:50:0, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtGui/qwindowdefs.h:44, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtWidgets/qwidget.h:44, from /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtWidgets/QWidget:1, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcutseditor.h:30, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcutsdialog_p.h:25, from /tmp/guix-build-kxmlgui-5.42.0.drv-0/kxmlgui-5.42.0/src/kshortcuteditwidget.cpp:26: /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qobjectdefs_impl.h: At global scope: /gnu/store/kjzfprjsjgyi2y7ybs7rinaac7gziabb-qtbase-5.11.0/include/qt5/QtCore/qobjectdefs_impl.h:429:18: error: ‘QtPrivate::QFunctorSlotObject::QFunctorSlotObject(Func) [with Func = ShortcutEditWidget::ShortcutEditWidget(QWidget*, const QKeySequence&, const QKeySequence&, bool)::; int N = 2; Args = QtPrivate::List; R = void]’, declared using local type ‘ShortcutEditWidget::ShortcutEditWidget(QWidget*, const QKeySequence&, const QKeySequence&, bool)::’, is used but never defined [-fpermissive] explicit QFunctorSlotObject(Func f) : QSlotObjectBase(&impl), function(std::move(f)) {} ^ make[2]: *** [src/CMakeFiles/KF5XmlGui.dir/build.make:302: src/CMakeFiles/KF5XmlGui.dir/kshortcuteditwidget.cpp.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/tmp/guix-build-kxmlgui-5.42.0.drv-0/build' make[1]: *** [CMakeFiles/Makefile2:262: src/CMakeFiles/KF5XmlGui.dir/all] Error 2 make[1]: Leaving directory '/tmp/guix-build-kxmlgui-5.42.0.drv-0/build' make: *** [Makefile:144: all] Error 2 Backtrace: 4 (primitive-load "/gnu/store/ljdraf9d3rc0lg4m9iqgzxr0155…") In ice-9/eval.scm: 191:35 3 (_ _) In srfi/srfi-1.scm: 640:9 2 (for-each # …) In /gnu/store/qzsljkcllc01dmdq9z0yrqri3ajam3vp-module-import/guix/build/gnu-build-system.scm: 799:31 1 (_ _) In /gnu/store/qzsljkcllc01dmdq9z0yrqri3ajam3vp-module-import/guix/build/utils.scm: 616:6 0 (invoke _ . _) /gnu/store/qzsljkcllc01dmdq9z0yrqri3ajam3vp-module-import/guix/build/utils.scm:616:6: In procedure invoke: Throw to key `srfi-34' with args `(#)'. builder for `/gnu/store/4b1nca913a2spjf9z6z35v1wqj761qqj-kxmlgui-5.42.0.drv' failed with exit code 1 ------