KDM includes kworkspace/screenpreviewwidget.h, which is missing. Reproducible: Always Steps to Reproduce: 1. uninstall kde-base/libkworkspace 2. install kde-base/kdm-4.6.0 Actual Results: Build fails because of a missing include.
Created attachment 262581 [details] build output
Indeed, thanks. Fixed in 4.6.0 and later.