PATCH: Add x32 support to config.guess

[Mike Stump]

On Aug 18, 2012, at 6:52 AM, "H.J. Lu" <hjl.tools@gmail.com> wrote:
> In case of x32, the only difference between x32 and x86-64 is
> the default output of CC.  What do you recommend how to
> detect x32?

So, is there a cpp symbol that is defined for code-gen?  If so, something like

  If [ $(gcc -x c /dev/null -dM -E | grep x32) = x32 ]; then fi

Would do it.