Dirk Lutzebäck wrote:
> The question is which gcc cflags are best used with XEON and Opteron
> to achieve fail-over compatibility.
Configure both ways and run a diff over the generated pg_config.h files.
If there are differences, then there's a potential for trouble. (No
differences don't say there won't be trouble, but it'd be far less
likely.)
--
Peter Eisentraut
http://developer.postgresql.org/~petere/