[RFA/commit?] Add gdb to the list of supported dirs on x86_64-darwin

[Paolo Bonzini]

Joel Brobecker wrote:
> Hello,
> 
> I found this patch from Tristan Gingold from one of our source trees...
> It's one of two very small patches that allow us to build GDB on
> x86_64-darwin (right now, we only support x86-darwin), so I thought
> I'd contribute it.
> 
> I'm not exactly clear who has jurisdiction over this type of change.
> This file is in the root directory.  If I understand the MAINTAINERS
> file correctly, it looks like any Global Maintainer from either GCC,
> or Binutils, or GDB, etc, can approve it? (I'm GM for GDB)

It clearly affects only gdb.  Go ahead, but please commit it to the gcc
repository too.

Paolo