[RFC] link GDB against libunwind-ia64

[Joel Brobecker]

> There's a libunwind on HP-UX that's part of the system, but it doesn't
> have a libunwind-ia64 component. The libunwind-ia64 shared object is an
> implementation detail of David Mosberger's library. Since we're talking
> about libunwind-ia64, I can only assume that we're talking about David's
> library. That library is not always available in the general case.

That's all correct. I built that library from sources, fixed a few
nixes, and installed it in a non-standard location.

> Still, I think it's good to be able to link against libunwind. It
> really should be present on any ia64 system, irrespective of the OS.

I agree. This is a very nice library.

-- 
Joel