PING: V7 [PATCH] sysconf: Add _SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305]

[Florian Weimer]

* 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.