PATCH: Put libunwind.a in libgcc_s.so: versioning of _Unwind_*() symbols

[Arnaud Charlet]

> Adding $(srcdir)/gthr-gnat.c seems to fix the Ada test hanging
> problems. If it isn't needed, you can remove it for ia64 to see if it

I suspect a set up problem on your side.

> introduces any problems for ia64.

Sure, I simply don't have authority to remove these files without going
through a formal patch submission/approval, which is why I've never
bothered (up to now) doing it. It's somewhere on my todo list, but very
far away...

Arno