Re: [PATCH 07/24] Remove NetBSD's system headers. We'll use the system-provided ones, which are up to date.

[Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>]

On Mon, Jan 04, 2021 at 06:09:07PM +0100, Roger Pau Monné wrote:
> We usually take a different approach for Linux and FreeBSD in
> order to support all kernels: test if the new ioctl is available, or
> else fallback to the old implementation. But this requires having the
> new header even on old systems in order to have the ioctl definition
> for the build, even if it's not implemented on the currently running
> kernel.
> 
> I guess you would have to use preprocessor conditionals in order to
> keep the build on older versions when adding the new features.

Or just assume that version X of Xen needs version Y of NetBSD.
This is already the case, because of bug fixes.

-- 
Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>
     NetBSD: 26 ans d'experience feront toujours la difference
--