[PATCH] Document --with-plugin-ld

[Richard Guenther]

On Fri, 18 Mar 2011, Rainer Orth wrote:

> Richard Guenther <rguenther@suse.de> writes:
> 
> > --- 1666,1676 ----
> >   Enable support for link-time optimization (LTO).  This is enabled by
> >   default, and may be disabled using @option{--disable-lto}.
> >   
> > ! @item --with-plugin-ld=@var{pathname}
> > ! Enable an alternate linker to be used at link-time optimization (LTO)
> > ! link time when @option{-fuse-linker-plugin} is enabled.
> > ! This linker should have plugin support such as gold or GNU ld starting
> > ! with version 2.21.  See @option{-fuse-linker-plugin} for details.
> >   @end table
> 
> While gold already existed in binutils 2.19 (maybe earlier, haven't
> checked), plugin support only appeared in 2.20, so the references to
> gold should be qualified (also in invoke.texi).

Committed with that change.

Richard.