Bruce Evans wrote this message on Sun, Aug 02, 2015 at 14:10 +1000:
> On Sun, 2 Aug 2015, John-Mark Gurney wrote:
>
> > Log:
> > convert to C11's _Static_assert, and pull in sys/cdefs.h for
> > compatibility w/ older non-C11 compilers...
>
> This include is bogus. <net/pfkeyv2.h> already depends on the includer
> including other headers that include <sys/cdefs.h>. Mainly <sys/types.h>.
> <sys/types.h> defined massive namespace pollution that includes everything
> in <sys/cdefs.h>. It includes <sys/cdefs.h> an infinite number of times
> via recursion, except the recursion is stopped by anti-reinclude guards.
> Th recursion makes the static number of nested includes of <sys/cdefs.h>
> hard to count.
I'll test w/o sys/cdefs.h and if it compiles, I'll remove it...
> Also, this is a kernel header. All kernel headers depend on the includer
Except it isn't just a kernel header as we found out, otherwise
CTASSERT would have been perfectly fine... It defines an API between
kernel and userland for adding and changing the kernel SA/SP
database... See sbin/setkey and lib/libipsec...
[comments about kernel only headers deleted]
> If an application wants to abuse a kernel header, then it must fake
> the kernel environment for it. I don't know much about this header,
> but it is not documented in any man page so it can do anything.
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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