From: Herton R. Krzesinski on gitlab.com https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1786#note_9516277...
I believe you need to add a new dist-configs-prep-rpm and dist-configs-prep- srpm: srpm generation does not process configs right? But other targets that may process it will need full build requires because some package missing can change the config generation.