how to activate debug output ?

[Stéphane Ancelot]

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 ....


Le 27/11/2017 à 18:00, David Edmundson a écrit :
> run:
>
> QT_LOGGING_RULES=debug.area.id.debug=true   processName
>
>
> i.e
> ​QT_LOGGING_RULES=kwin_core.debug=true kwin_x11
>
>
>
>