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/