Re: Parallel build failure on OSX

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Tue, Jan 13, 2015 at 05:26:21AM +1100, matthew green wrote:
> 
> > > Any way line 98 of version 1.49 src/share/mk/bsd.obj.mk has a mkdir 
> > > without -p and I expect that’s what’s causing the immediate problem.
> > So is it consensus that the -p ought to be added there?
> > It looks very reasonable to me and it also looks very reasonable that it's 
> > hard to run into the problem not only because it's a race, but also because 
> > you have to start with something like a fresh CVS checkout to make it happen.
> 
> i don't think it's resaonable because it is pointing out a real
> issue.  what could happen is that two "dependall" phases could
> enter at the same time and stomp on each other, and the "-p" fix
> will paper over one symptom of the real problem (the one that
> actually catches stuff, it seems, since this is a long standing
> problem that appears to exist in multiple places.)

Not really, dependall will have been executed for the do-lib phase
already, so the (second) call in do-build does nothing.

Joerg