upgrade_checks fails on stable/10 in parallel builds?

[Lowell Gilbert]

Dmitry Morozovsky <marck at rinet.ru> writes:

> Colleagues,
>
> after upgrading my builder to stable/10 I'm getting consistent errors like
>
> --- upgrade_checks ---
> A failure has been detected in another branch of the parallel make
>
> make[1]: stopped in /FreeBSD/pristine/src.9.2
> *** [upgrade_checks] Error code 2
>
> make: stopped in /FreeBSD/pristine/src.9.2
> 1 error
>
> make: stopped in /FreeBSD/pristine/src.9.2
>
> in case of using -j when invoking buildworld
>
> make -DNO_CLEAN upgrade_checks (without -j) rebuilds (f)make fine, and then 
> parallel buildworld seems to work fine.
>
> Any thoughts?  I'd tried to look at Makefiles, but lost in the middle ;)

Make sure you try going all the way through the build without the -j
option. If you haven't already tried that, it's possible that the
problem would occur there too, and the parallel build is just obscuring
the output, not actually failing in a different place.