Last <sys/cdefs.h> change

[Sebastian Huber]

On 05/23/2013 11:40 AM, Corinna Vinschen wrote:
>> The only broken thing here is coreutils.  They set -std=gnu99 and
>> >use C11 features.  They use also _Static_assert() in a way that
>> >seems to be not available with pre C11 means.
> Not quite.  They just have a reason to make tests along the lines of
> what _Static_assert provides.  They check for the compiler version and
> find that the compiler already provides _Static_assert.  That's where
> our cdefs.h header collides.  So, here's the question:  Given that
> collision in the __STDC_VERSION__ == 199901L case, why do*we*  (or,
> FWIW, FreeBSD) provide _Static_assert, even though __STDC_VERSION__ is <
> 201112L?

I can only speculate.  Maybe FreeBSD wants to do the best to provide a 
_Static_assert() for older environments which use it in a more restricted way.

 From my point of view using _Static_assert() in such a situation makes no 
sense.  If you want C11 features, then ask for them.

-- 
Sebastian Huber, embedded brains GmbH

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