I wrote:
> And the answer is ... it's a gmake bug. Apparently introduced in 3.82.
> http://savannah.gnu.org/bugs/?30653
> https://bugzilla.redhat.com/show_bug.cgi?id=835424
> So I think .NOTPARALLEL is just masking the true problem, but
> nonetheless it's a problem. And given that the bug report on savannah
> has been ignored for two years, we should not hold our breath for a fix
> to appear upstream (much less propagate to everyone using 3.82).
So no sooner do I complain about that, than the upstream maintainers
wake up and commit it:
http://lists.gnu.org/archive/html/bug-make/2012-09/msg00016.html
No idea when a fixed release might appear, but at least somebody who
knows the gmake code has signed off on the fix now.
regards, tom lane