Glenn Morris wrote:
> http://lists.gnu.org/archive/html/emacs-devel/2017-01/msg00180.html
> 
> Maybe it is MS-Windows-specific though, I haven't examined it.

It looks quite MS-Windows-specific, unfortunately.

> In the meantime, configure should explicitly reject versions > 6, to
> avoid confusion.

That's easy enough; I installed the attached.