[hurd,commited] hurd: do not check Mach and Hurd headers

[Zack Weinberg]

On Sat, Mar 3, 2018 at 9:55 PM, Samuel Thibault
<samuel.thibault@ens-lyon.org> wrote:
> Joseph Myers, on sam. 03 mars 2018 22:53:23 +0000, wrote:
>> it should always be possible to write a header in a way that
>> doesn't have such a requirement.
>
> I'm almost there, the only remaining issue is that hurd/hurd/signal.h
> uses struct sigaction.  I guess I should move existing definitions to a
> struct_sigaction.h header?

In this case, you just need a Hurd version of the existing
bits/sigaction.h.  (It's bits/sigaction.h rather than
bits/types/struct_sigaction.h because it also defines the SA_*
constants.)

zw