-fno-strict-aliasing

[Don Bowman]

> From: des at des.no [mailto:des at des.no]
> "David O'Brien" <obrien at freebsd.org> writes:
> > I would love to make -O2 work.  But as long as "lib/libpam" 
> is on the
> > list of things to fix, that isn't going to happen.  Someone needs to
> > pressure DES to fix his babies [that he wont let others touch].
> 
> I love you too, David.  Have you actually tried this lately?

FWIW, i've just built a RELENG_5_2 kernel with 
-O2 -pipe -mcpu=pentium4 -march=pentium4 -g

and it is running ok.

On releng_4, i needed to add -fno-gcse [and obv not use the mcpu/march
part].

--don