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Date: Wed, 06 Jul 2011 15:03:00 -0000
Message-ID: <CAFiYyc3cffxHrDrO2miU=R2z_yLLHHpr73dosKBW3iBZWK8xHQ@mail.gmail.com>
Subject: Re: PATCH [1/n] X32: Add initial -x32 support
From: Richard Guenther <richard.guenther@gmail.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: DJ Delorie <dj@redhat.com>, Alexandre Oliva <aoliva@redhat.com>, Paolo Bonzini <bonzini@gnu.org>, 	Ralf Wildenhues <Ralf.Wildenhues@gmx.de>, neroden@gcc.gnu.org, gcc-patches@gcc.gnu.org
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On Wed, Jul 6, 2011 at 4:48 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hi Paolo, DJ, Nathanael, Alexandre, Ralf,
>
> Is the change
> .
> =A0 =A0 =A0 =A0* configure.ac: Support --enable-x32.
> =A0 =A0 =A0 =A0* configure: Regenerated.
>
> diff --git a/gcc/configure.ac b/gcc/configure.ac
> index 5f3641b..bddabeb 100644
> --- a/gcc/configure.ac
> +++ b/gcc/configure.ac
> @@ -611,6 +611,11 @@ AC_ARG_ENABLE(multilib,
> =A0[], [enable_multilib=3Dyes])
> =A0AC_SUBST(enable_multilib)
>
> +# With x32 support
> +AC_ARG_ENABLE(x32,
> +[ =A0--enable-x32 =A0 =A0 =A0 =A0 =A0 =A0enable x32 library support for =
multiple ABIs],

Looks like a very very generic switch for a global configury ... we already
have --with-multilib-list (SH only), why not extend that to also work
for x86_64?

Richard.

> +[], [enable_x32=3Dno])
> +
> =A0# Enable __cxa_atexit for C++.
> =A0AC_ARG_ENABLE(__cxa_atexit,
> =A0[AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++]=
)],
>
> OK?
>
> Thanks.
>
> --
> H.J.
> ---
>