V8 [PATCH] sysconf: Add _SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305]

[H.J. Lu]

On Fri, Nov 20, 2020 at 6:12 AM Florian Weimer <fw@deneb.enyo.de> wrote:
>
> * H. J. Lu:
>
> > Can we reach a consensus for _GNU_SOURCE vs _SC_SIGSTKSZ_SOURCE?
> >
> > How about we make _GNU_SOURCE to enable _SC_SIGSTKSZ_SOURCE and
> > check _SC_SIGSTKSZ_SOURCE != 0?  If _GNU_SOURCE triggers compilation
> > error and source codes can't be changed, we can add
> > -D_SC_SIGSTKSZ_SOURCE=0 to disable _SC_SIGSTKSZ_SOURCE.
>
> I think the source code compatibility is much more obscure than the
> other things we broke quite recently, even without deprecation.  Why
> do we add the complexity in this case?  I feel it is disproportional.

Here is the patch with _GNU_SOURCE.  Any comments?

-- 
H.J.
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