We can use qt_add_dbus_interface (so we will help to build against qt6

too)

sensors/CMakeLists.txt

@@ -29,7 +29,7 @@ ecm_qt_declare_logging_category(sensors_LIB_SRCS
 )
 
 set_source_files_properties(org.kde.KSysGuardDaemon.xml PROPERTIES INCLUDE ../systemstats/SensorInfo.h)
-qt5_add_dbus_interface(sensors_LIB_SRCS org.kde.KSysGuardDaemon.xml ksysguarddaemon)
+qt_add_dbus_interface(sensors_LIB_SRCS org.kde.KSysGuardDaemon.xml ksysguarddaemon)
 
 add_library(Sensors ${sensors_LIB_SRCS})
 add_library(KSysGuard::Sensors ALIAS Sensors)

systemstats/CMakeLists.txt

@@ -23,7 +23,7 @@ set(systemstats_HDRS
 )
 
 set_source_files_properties(org.kde.ksystemstats.xml PROPERTIES INCLUDE SensorInfo.h)
-qt5_add_dbus_interface(dbusinterface_SRCS org.kde.ksystemstats.xml org.kde.ksystemstats)
+qt_add_dbus_interface(dbusinterface_SRCS org.kde.ksystemstats.xml org.kde.ksystemstats)
 
 # Symbol visibility trickery: We cannot generate the DBus interface class with
 # the right export macro, so instead create it as a static library with the right