"make buildkernel" busted

[David O'Brien]

On Wed, May 23, 2007 at 12:15:55PM -0700, Steve Kargl wrote:
> cc -c -O2 -frename-registers -pipe -fno-strict-aliasing -march=opteron
..
> cc1: error: unrecognized command line option "-Wno-pointer-sign"
> *** Error code 1

I've made a commit that will help here.  Set WITH_GCC3 (in /etc/src.conf
or environment).  Note, I envision this is just to get us over the hump
of the GCC 4.2 upgrade, not something permanent.

-- 
-- David  (obrien at FreeBSD.org)