SUMMARY Commit 16ce49fc158d6c379c8a180b7c2f6c46549543cd breaks compatibility with QT 5.9 which is currently LTS STEPS TO REPRODUCE 1. Get QT 5.9 2. try to compile OBSERVED RESULT A call to screenAt for QApplication fails with everything below QT 5.10. This is a new feature that was added. EXPECTED RESULT Krita compiles just fine SOFTWARE VERSIONS (available in About System) KDE Plasma Version: 5.12.3 KDE Frameworks Version: 5.43.0 Qt Version: 5.9.4 ADDITIONAL INFORMATION QT 5.9 is LTS and the most recent version you can get on Gentoo and Funtoo without overlay.
Dmitry already fixed this...
Yes just saw it after I finished writing the bug :( 2444d1f75f70b321dca6cda36d1965548e5ff5b0