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Re: PATCH: Add x32 support to config.guess

From: Mike Stump <mikestump at comcast dot net>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Ben Elliston <bje at air dot net dot au>, "config-patches at gnu dot org" <config-patches at gnu dot org>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "binutils at sourceware dot org" <binutils at sourceware dot org>
Date: Sat, 18 Aug 2012 10:32:59 -0700
Subject: Re: PATCH: Add x32 support to config.guess
References: <20120816172648.GA7120@intel.com> <20120818124919.GA20061@air.net.au> <CAMe9rOoJQk1ObxcyzQc9w1QM28xfN6cCReMWZAkOU+W7p7DW8w@mail.gmail.com>

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.

Follow-Ups:
- Re: PATCH: Add x32 support to config.guess
  - From: Mike Frysinger

References:
- PATCH: Add x32 support to config.guess
  - From: H.J. Lu
- Re: PATCH: Add x32 support to config.guess
  - From: Ben Elliston
- Re: PATCH: Add x32 support to config.guess
  - From: H.J. Lu

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