Configure test hangs on powerpc64-linux

[Eric Botcazou]

> It never returns from ppc64_elf_gc_mark_hook (spins looking things up
> in a hash table, I don't have the matching source handy).  I expect
> this is fixed in later binutils, but has anyone else seen this happen?
> Is there some way we can avoid an infinite loop in configure for this
> case?

The test needs to check that --gc-sections works, so indirectly invoking 
ppc64_elf_gc_mark_hook seems to be unavoidable.  You could try to tweak the 
contents of the sections if you understand why ppc64_elf_gc_mark_hook loops.

-- 
Eric Botcazou