Locally, I do make multiple build directories for various purposes, like "build-debug", "build-release", "build-novideo", etc. Also, Qt Creator (if configure it) may automatically create build directories that always starts with a "build-*" prefix.
@@ -1,4 +1,5 @@
build/
+build-*/
buildbot/
/VERSION.txt
__pycache__
Wohlstand