Buildworld failure

[Giorgos Keramidas]

On Thu, 23 Dec 2010 08:05:16 -0500, Derek Tattersall <dlt at mebtel.net> wrote:
>> NOTE: I did build a snapshot from /head at -r 216642 last afternoon and
>> it worked fine with the default CC.  So if something broke *after* that
>> revision try bisecting from -r 216642 to the version you built, to see
>> if there's something that broke the build in-between.
>
> This is using CURRENT, cvsup'ed Wednesday.  The same failure occurs
> with clang and with gcc.  I note that there have been several changes
> in the recent past in the obsolete files list regarding semaphore.h.
> I will try again, blowing away both /usr/src and /usr/obj and see if
> that has any effect.  Bisection will have to wait until next week.

It may be related to a stale /usr/obj tree.  My daily build finished
earlier from svn rev 216678, but I *did* wipe my /usr/obj tree and build
a GENERIC kernel & userland from a new checkout of src/.