Re: in which we present an ugly hack to make sys/queue.h CIRCLEQ work

[Justin Cormack <justin%specialbusservice.com@localhost>]

On 27 Nov 2013 06:50, "Mouse" <mouse%rodents-montreal.org@localhost> wrote:
>
> > Let me get on the record.  It's basically ridiculous to allow GCC 4.8
> > to redefine the set of permitted C expressions such that it breaks
> > BSD.
>
> gcc 4.8 isn't.  C99 did; what's distinctive about gcc 4.8 is that
> before that gcc didn't take advantage of the leeway C99 said it had.
> These macros have been out-of-spec since the day NetBSD decided it was
> going to use C99 rather than some older version of C; it's just that
> only now is that out-of-spec-ness actually biting anyone.  (That
> decision may have been implicit in a compiler version change.)

The decision to detect them and then optimise to broken code rather than a
compile time error is what annoys me.

Justin