> I thought the MIPSpro one used -xO.  In any case, we should be adding

no. I think AIX does or did a long time ago.

> those types of flags only for specified compilers.

just as all those -Wall statements still lurking around in many packages :-(


-- 
Georg Schwarz    http://home.pages.de/~schwarz/
 geos@epost.de     +49 177 8811442