Better relocation handling for nonstandard --libdirs

[Richard Sandiford]

"Andrew Pinski" <pinskia@gmail.com> writes:
> I see the exact same issue when crossing to spu-elf, I have not tried
> the patch yet.

OK, I've reverted the original patch.

> PS this is the second build failure we have gotten this week, I think
> we need to be more careful.

Yes, I obviously really messed this up.  I'm sorry.

Richard