Threads are not enabled default, so, that would be why it fails only after that patch. (And there's no reason to modify that file at all, there is --with-sb-thread and customize-target-features.lisp for that purpose).
Threads are not enabled default, so, that would be why it fails only after that patch. target- features. lisp for that purpose).
(And there's no reason to modify that file at all, there is --with-sb-thread and customize-