On Wed, 25 Oct 2000, Grey Wolf wrote:

> Well, I'm not sure how to set tools up to cross-build a (64-bit)
> kernel.  Last I heard there were some serious problems with that.
> 
I've heard more about sparcv9/64bit gcc, but everything which is
available for sparc64 is built with that.

I'm under impression that I saw it among FAQs recently,
but anyway it will point you to detailed instructions.
http://mail-index.netbsd.org/port-sparc64/2000/10/04/0004.html

--
	Andrey