[bug #58979] Recursive make using jobserver hangs at completion

[David Hefner]

Follow-up Comment #9, bug #58979 (project make):


[comment #8 comment #8:]
> > I've attached my makefiles.
> 
> i guess, a clarification is needed.
> 
> The attached makefiles are a part of a bigger system. The other part is
missing. It is not possible to reproduce the issue with the attached makefiles
for anyone who is missing the other part.
> 
> Can you write the smallest possible makefile (or a set of makefiles), such
that even people who don't have your full build environment can run to
reproduce the issue?
I will try to do that.
> 
> 
> > Per your suggestion, I ran with '-n.'  It revealed nothing interesting. 
> 
> Did it hang or not?

No. It did not hang.

I designed this build system many years ago.  I believe we were running 3.80
at the time.  I confess that I have spent very little/no time tracking changes
to GNU make.  Mea culpa.  I have adjusted for some of the breaking changes,
but I have never put '+' on any recipes.  When is that needed?



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