And to make things even more fun, each individual compiler usually comes with baggage it has collected over the years. In xlC alone the -qnamemangling option ca

And to make things even more fun, each individual compiler usually comes with baggage it has collected over the years. In xlC alone the -qnamemangling option can be set to: ansi (don't let it fool you), v11, v10, v9, v8, v7, v6, v5, v4, v3, or compat so even code build with the same compiler isn't always compatible.