Kevin,
  I started trying to play with this cross compile for the router awhile
back and found crosstool. But I got too confused and stopped short of
getting even a first run in. I agree that if this can be made to work, that
is the best route for me to take. And I would be doing ppc from x64.

Mike

*Author: *Kevin Brandon <staticrealm@gmail.com>
> *Date: *2014-05-13 17:54 -700
> *To: *Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> *Subject: *Re: Anyone with experience in Cross-Compiling, especially to
> an embedded powerPC?
> Mike,
> It's been a long time since I had to build a cross compiler. What a bear
> that task is! I fought and researched and learned a lot about it. Still
> what ultimately helped me accomplish it was the work that was started by
> Dan Kegel on a tool called crosstool.
>
> http://kegel.com/crosstool/
>
> That tool didn't have exactly the support for what I needed at the time
> but
> I found it cleanly designed and easily updatable to accomplish what I was
> targeting (Which was ppc from x86).
>
> Building a toolchain takes many hours of compiling and lots of
> frustrations
> when some error during the process... Im not sure if crosstool has been
> updated in a long time but it might be worth looking at least as some
> instructions in script form.
>
> Good luck!
>

-- 
"Creativity is intelligence having fun." — Albert Einstein