Now with patches 0010-... and 0013-... the compilation of the multibit
version happens successfully; thanks.
I didn't understand what the 17122023 patch brings again.

Without the patch you can not render 10 or 12 bit.

PS1: compile time is still just over 4 min, on my system.

Nice!

I am trying to get 3 things all ready to test on other systems -- HDR, libaom 3.8, and x265 -- so when I do, I will check to make sure multibit compile works there too and make it a default. Even if it takes longer for me. At one point I thought that if you rendered 8-bit on the multibit x265, it would result in a bigger file than on the build non-multibit system. But I did a render test today and the files were exactly the same.