Follow-up Comment #10, bug #58979 (project make):
> No. It did not hang.
-n causes make to run only recursive commands. And the hang does not reproduce
with -n. Which makes us suspect all the other (not recursive) commands.
There are atleast the following debugging options.
Remove recipies one
Follow-up Comment #11, bug #58979 (project make):
> but I have never put '+' on any recipes. When is that needed?
'+' cause make to keep the jobserver pipe fd open on exec of that command and
also run the command regardless of -n, -p, -q.