[Ada] multilib patch take three

[Laurent GUERBY]

On Fri, 2008-07-25 at 10:55 +0000, Joseph S. Myers wrote:
> i686-linux-gnu --enable-targets=all and x86_64-linux-gnu are equivalent, 
> differing only in whether the default is 32-bit or 64-bit.  Do you select 
> the right files for both multilibs of i686-linux-gnu, as well as for both 
> multilibs of x86_64-linux-gnu?  (Some targets have the 32-bit-default as 
> the only or the normal target, e.g. Solaris and Darwin.)

I didn't know about --enable-targets=all so I'd say this case is
not handled by the current pre-patch on i686 but I will work on adding
support for it.

If you think of other configure flags having an impact on multilib
machinery let me know.

Thanks for the notice,

Laurent