Bug#746516: glibc: Enable -fasynchronous-unwind-tables on more arches.

[Kurt Roeckx <kurt@roeckx.be>]

retitle 746516 glibc: Enable -fasynchronous-unwind-tables on more arches.
thanks

> It seems that not all arches have -fasynchronous-unwind-tables
> enabled.  I see it enabled on amd64, i386, s390x, but disabled
> on armel/armhf, powerpc.
> 
> Could this enable this on more architectures?
> 
> I'm currently seeing elfutils test failures on powerpc because
> the unwind information is not available.  I'll probably also get
> this problem on arm64 if it's not enabled there.

Elfutils is still broken because of this, on everything but a few
architectures.  Can you please enable it?

As far as I can see, only init/fini should not be build using it
and as far as I can see most arches should already support this.


Kurt