>Is there any reason that the optimisation level for the C compiler
>is set to -O instead of -O2?  I've had a quick look back through the
>mailing list archives, but couldn't find any discussion about this.  I
>have vague memories of some problems with the 68k machines, but that's
>about it...

I've built pmax snapshots with -O2 since, IIRC, the 1.2 release.