AARCH64 configure check for gas -mabi support

[Yufeng Zhang]

Looks good to me.  Thanks for the fix.

Yufeng

On 06/30/14 10:44, Gerald Pfeifer wrote:
> I applied the small patch on top of this, mostly triggered by the
> markup issue.
>
> Let me know if there is anything you'd like to see differently; I
> am thinking to push back to GCC 4.9 as well later.
>
> Gerald
>
>
> 2014-06-30  Gerald Pfeifer<gerald@pfeifer.com>
>
> 	* doc/install.texi (Specific, aarch64*-*-*): Fix markup.  Reword a bit.
>
> Index: doc/install.texi
> ===================================================================
> --- doc/install.texi	(revision 212139)
> +++ doc/install.texi	(working copy)
> @@ -3760,9 +3760,9 @@
>   @end html
>   @anchor{aarch64-x-x}
>   @heading aarch64*-*-*
> -Pre 2.24 binutils does not have support for selecting -mabi and does not
> -support ILP32.  If GCC 4.9 or later is built with pre 2.24, GCC will not
> -support option -mabi=ilp32.
> +Binutils pre 2.24 does not have support for selecting @option{-mabi} and
> +does not support ILP32.  If it is used to build GCC 4.9 or later, GCC will
> +not support option @option{-mabi=ilp32}.
>
>   @html
>   <hr />
>