On Fri, 8 Dec 2000, John Baldwin wrote:

> On 08-Dec-00 [EMAIL PROTECTED] wrote:
> > 
> > John,
> > 
> > I'm not a constraints expert either, but I noticed that when I try to
> > build a kernel WITHOUT any optimization, I get a failure in
> > 
> > /usr/src/sys/i386/atomic.h .
> Compiling a kernel with anything but -O for optimization is not supported.  gcc
> has produced buggy code for the -O0 case in the past.

-O0 (or plain cc without -O) is supposed to work, but no one cares enough
about it to fix it every day.  Fixing <machine/atomic.h> has been pending
for many days now.  My oldest saved mail about it is dated 21 July 2000,
but ISTR discussing it last year.


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