@claude0001 yes, that is exactly what I am looking for.
Why? Well I don't want to create any false expectation, everything I have is barely a PoC - I am trying to implement something like kexec (the actual kexec doesn't work and fixing it requires at least good knowledge of the HW, so I decided to try something else) to be able to boot different systems without flashing them. The LineageOS recovery starts fine, but the stock doesn't. I'd like to debug that, but to do that I need, as you wrote, the exact building configuration.
And before someone asks:) - yes I know, that there