3.4 PATCH: Support Solaris 10

[Rainer Orth]

Bruce Korb writes:

> I think Solaris 2.2 will be deemed obsolete before we get to 2.20.
> We'll have to solve the UNIX Y2K problem before we see that issue come up.

Certainly, but I prefer to handle this issue correctly from now on.

> > Ok for mainline?
> 
> Looks fine to me.  I think GCC 3.3 may still be alive by the time
> Sol 2.10 is released, so you might consider that branch, too.

Since my test machine is quite slow, testing this with a full bootstrap
will take some time.  I'll fire it off over the weekend, though.

	Rainer