How to use or buy Ivona voices?

[Didier Spaier]

On 25/11/2018 19:29, Didier Spaier wrote:
However,according to configure you would need as a dependency dumbtts
> to build this module:
> https://github.com/razr/opentts
> that provides dumbtts_TTSInit.
> However I don't know if this 8 years old thing can be built on a modern
> system. I will try.

I did. Amazingly ./configure --enable-ivona fails with exactly the
same error message...