Re: NetBSD/earm and evbearmv7hf on Cubieboard 2

[Martin Husemann <martin%duskware.de@localhost>]

On Mon, Jul 20, 2015 at 02:14:23PM +0100, Robert Swindells wrote:
> There isn't a definition for TEMP_FAILURE_RETRY but the code around
> this is trying to read /proc/cpuinfo to find out if the CPU supports
> neon. We just return an empty string for reads of /proc/cpuinfo on ARM
> so this won't work correctly even with a definition for
> TEMP_FAILURE_RETRY.

Patch it to use syctl machdep.neon_present = 1.

> There is similar code in graphics/libjpeg-turbo that needs a way of
> detecting whether to use the neon versions of functions or not.
> 
> It looks as if we don't define __ARM_NEON__ for earmv7hf which is one
> of the things that libjpeg-turbo tests for.

Is it guaranteed that all armv7hf have NEON?

Martin