On dinsdag 28 november 2017 08:17:53 CET St=C3=A9phane Ancelot wrote: > Thanks , but I would like to add some debug messages eg in > systemsettings cpp program. > I have seen qDebug, kDebug in other files, but it fails when I compile ..= =2E. kDebug isn't used in Plasma 5 anymore, use qCDebug or qDebug. If you show the compile error, it's easy to solve. Cheers, =2D-=20 sebas http://www.kde.org | http://vizZzion.org