Question

No idea what might have changed in my QT Creator options or project options, but for some reason doing a Build (Ctrl-B) or starting a debugging session (F5) now triggers a complete rebuild of my project, which takes several minutes. I’d like it to build only the changed files (and dependencies) as it has always done before. What did I do wrong?
I played with the settings “always build before deploying” and “always deploy before running”, but changing these just switches between doing no build at all, or doing a full rebuild. How can I (re)activate a “differential” build ?
Thanks!

Answer 1

If you don’t want rebuild project, you can run qmake from qt-creator menu and start build.
If you have a good computer, you can write to make -j option, your rebuild time reduce about 3-4 times.