在 2020年2月22日 +0800 AM4:30，Alan Third <alan@idiocy.org>，写道：
> I’m not sure what else you could try as this isn’t a situation I’ve
> been in. All I can say is that error strongly implies your build
> environment is broken somehow.
>
> Are you able to build Emacs 26?

Yes.

I have found a similar issue here: https://github.com/microsoft/azure-pipelines-image-generation/issues/1181