3.4 PATCH: Support boehm-gc with pthreads on Tru64 UNIX

[Rainer Orth]

Hans Boehm writes:

> I tested a bit more on X86 and IA64.  It still looks fine to me.
> 
> It's OK with me if you go ahead and check it in (after adding the defined(GC_OSF1_THREADS) check in a couple of places, as we discussed).
> 
> I am a bit concerned that we're effectively doing a piecemeal merge of GC 6.2/6.3, when we should be doing the merge once and for all.

I'll wait for the full GC 6.3 merge sometime next week, then.  In the
meantime, the only missing piece of my Tru64 UNIX pthreads patches is the
libjava part:

	http://gcc.gnu.org/ml/java-patches/2003-q3/msg00076.html

Could one of the java maintainers please have a look at that one?

Thanks.
	Rainer