Meson 0.56.2 and Python39 --> dav1d failing

[Joshua Root]

On 2021-2-4 12:19 , Ken Cunningham wrote:
> 
> 
>> On Feb 3, 2021, at 11:49 AM, Craig Treleaven <ctreleaven at macports.org> wrote:
>>
>> But configure still failed on 10.7 and 10.8:
> 
> Oh no! It looked so great! I was really learning some things there. Perhaps it can be tweaked still.
> 
> If not, I guess we can still use the compiler_blacklist_versions approach and blacklist all the clangs < whatever 10.10 comes with.

Well now I'm just confused, because the test program builds fine on 10.7 
outside of meson. Need to see the meson-log.txt.

- Josh