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PATCH [1/n] X32: Add initial -x32 support

Message ID CAMe9rOob0efP2A=giUHmLTOLTK+=ZNTNxuTKws2WHuxyTX_KNg@mail.gmail.com
State New
Headers show

Commit Message

H.J. Lu July 6, 2011, 2:48 p.m. UTC
Hi Paolo, DJ, Nathanael, Alexandre, Ralf,

Is the change
.
	* configure.ac: Support --enable-x32.
	* configure: Regenerated.


OK?

Thanks.

Comments

Richard Biener July 6, 2011, 3:02 p.m. UTC | #1
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
> .
>        * configure.ac: Support --enable-x32.
>        * 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,
>  [], [enable_multilib=yes])
>  AC_SUBST(enable_multilib)
>
> +# With x32 support
> +AC_ARG_ENABLE(x32,
> +[  --enable-x32            enable 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=no])
> +
>  # Enable __cxa_atexit for C++.
>  AC_ARG_ENABLE(__cxa_atexit,
>  [AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++])],
>
> OK?
>
> Thanks.
>
> --
> H.J.
> ---
>
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Patch

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,
 [], [enable_multilib=yes])
 AC_SUBST(enable_multilib)

+# With x32 support
+AC_ARG_ENABLE(x32,
+[  --enable-x32            enable x32 library support for multiple ABIs],
+[], [enable_x32=no])
+
 # Enable __cxa_atexit for C++.
 AC_ARG_ENABLE(__cxa_atexit,
 [AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++])],