>>> Thou shalt not meddle with the kernel optimization settings!
>>> (with the exception of using options M68060 etc., which add the 
>>> appropriate
>>> optimizations to the kernel building.)
>>
>> Then this is new with NetBSD 2 / gcc 3.x. I've been running 1.5
>> kernel & userland with '-O3 -m68030' for a long time now.
>
> This will work, provided you're using the right assembler CPU type
> calls and inserting them in the right make variables. A lot of the
> people who try, don't, and at some point I got tired of explaining
> over and over again... in general I assume that whoever can't read
> the makefiles himself, shouldn't bother.

as i stated in my first email,

i) the build failure does happen with optimizing flags as well as with 
default settings at the same point

ii) builds for other destination hosts (e.g. macppc) run *very* well...

regards,

timo