[FFmpeg-devel] [PATCH] configure: libvmaf requires pthreads

[Timo Rothenpieler]

On 13.11.2020 02:05, lance.lmwang at gmail.com wrote:
> On Thu, Nov 12, 2020 at 05:56:57PM +0100, Timo Rothenpieler wrote:
>> Technically, libvmaf itself does not, but our filter does, and there is
>> no other sensible way to prevent a build with --enable-libvmaf from
>> succeeding while not actually enabling the filter.
> 
> If it's private filter, I think you it's better to add the pthread depends for your filter
> only, search for libvmaf_filter_deps

The filter already depends on pthreads correctly.
This is about the issue where you can produce a build that is configured 
with --enable-libvmaf, but which does not have the libvmaf filter.

Happens for example on Win32, where w32threads are used by default.