Fix some compile error against qt6

CMakeLists.txt

@@ -111,7 +111,11 @@ if (NOT APPLE)
     find_package(X11)
 endif()
 if (X11_FOUND)
-    find_package(Qt${QT_MAJOR_VERSION}X11Extras ${QT_REQUIRED_VERSION} REQUIRED NO_MODULE)
+    if (QT_MAJOR_VERSION STREQUAL "5")
+       find_package(Qt5X11Extras ${QT_REQUIRED_VERSION} REQUIRED NO_MODULE)
+    else()
+	    #TODO
+    endif()	    
 endif()
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 

src/CMakeLists.txt

@@ -315,7 +315,7 @@ install(FILES data/org.kde.kalarm.appdata.xml DESTINATION ${KDE_INSTALL_METAINFO
 install(FILES data/kalarmconfig.kcfg DESTINATION ${KDE_INSTALL_KCFGDIR})
 install(FILES data/kalarmui.rc DESTINATION ${KDE_INSTALL_KXMLGUIDIR}/kalarm)
 install(FILES data/org.kde.kalarm.kalarm.xml DESTINATION ${KDE_INSTALL_DBUSINTERFACEDIR})
-install(FILES data/kalarm.notifyrc DESTINATION ${KDE_INSTALL_KNOTIFY5RCDIR})
+install(FILES data/kalarm.notifyrc DESTINATION ${KDE_INSTALL_KNOTIFYRCDIR})
 
 ########### KAuth helper ###############
 

src/rtcwakeaction.h

@@ -5,10 +5,13 @@
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
-
+#include <QObject>
 #pragma once
-
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <KAuth>
+#else
+#include <KAuth/KAuth>
+#endif
 
 using namespace KAuth;