Re: graphics/libv4l

[Robert Swindells <rjs%fdy2.co.uk@localhost>]

Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
>>On Mon, Sep 10, 2018 at 04:18:45PM +0100, Robert Swindells wrote:
>>> 
>>> Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
>>> >On Sun, Sep 09, 2018 at 06:19:25PM +0100, Robert Swindells wrote:
>>> >> I could use some ideas on how to check whether the NetBSD build host
>>> >> has the new version of videoio.h
>>> >
>>> >How do they differ?
>>> 
>>> Old:
>> 
>> -rw-r--r--  1 rjs  staff  20927 Sep 17  2008 videoio.h
>> 
>> New:
>> 
>> -rw-rw-r--  1 rjs  staff  130935 Aug 25 23:41 videoio.h
>> 
>> The new one is copied from OpenBSD.
>
>The first #define in the OpenBSD one is V4L2_SEL_TGT_CROP, which doesn't
>seem to exist in the NetBSD one. Would something like
>
>  #if defined(HAVE_VIDEOIO_H) && defined(V4L2_SEL_TGT_CROP)
>
>be good enough? Or what issue have you hit? (AC_EGREP_HEADER?)

I'm trying to work out what should go in the Makefile, the existing one
copies headers from the files subdirectory to the build tree under
certain conditions.