On Wed, Apr 19, 2017 at 03:01:25PM +0200, Florian Weimer wrote:
> On 04/19/2017 02:35 PM, Dmitry V. Levin wrote:
> > On Wed, Apr 19, 2017 at 11:17:21AM +0200, Florian Weimer wrote:
> > [...]
> >> I'm leaning towards a clean break: Stop installing <libio.h>.
> > 
> > You must be joking.  This would definitely break libzio.
> 
> I'm not.
> 
> I just tried, and libzio 1.04 compiles fine with !HAVE_LIBIO_H.  It 
> doesn't define its own vtables, either, nor does it internal _IO_* symbols.

libzio uses cookie_io_functions_t provided by libio.h;
in case of !HAVE_LIBIO_H it falls back to _IO_cookie_io_functions_t
also defined by libio.h via stdio.h;

If stdio.h continues to provide fopencookie and _IO_cookie_io_functions_t,
this should be enough for libzio.


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ldv