RFA/RFC: Enable both gold and ld in a single toolchain

[Nick Clifton]

Hi H.J.

> Only this part of the patch above:
>
> 2010-04-19  Roland McGrath  <roland@redhat.com>
> 	    H.J. Lu  <hongjiu.lu@intel.com>
>
> 	* configure.ac (--enable-gold): Support both, both/gold and
> 	both/bfd to add gold to configdirs without removing ld.
> 	* configure: Regenerated.
>
> 	* Makefile.def: Add install-gold dependency to install-ld.
> 	* Makefile.in: Regenerated.
>
> changes gcc source tree and it has no impact on gcc configuration. I
> am not sure if any gcc maintainers care about this change. Ian
> has no objection:

Right - I have checked in the binutils part of the patch and I will 
check in the top level changes shortly.

Cheers
   Nick