> The difference is that KVM for example does not need external includes
> or libraries.

We don't support this scenario

and after a year there might be no
supported release without NVMM.

The only concern is about using qemu on !amd64, but we have there not
many users of qemu for understandable reasons.

For AArch64 we plan to implement a dedicated NVMM backend.

>
>     > diff --git a/configure b/configure
>     > index d4a837cf9d..b3560d88bb 100755
>     > --- a/configure
>     > +++ b/configure
>     > @@ -836,7 +836,7 @@ DragonFly)
>     >  NetBSD)
>     >    bsd="yes"
>     >    hax="yes"
>     > -  nvmm="yes"
>     > +  nvmm="check"
>     >    make="${MAKE-gmake}"
>     >    audio_drv_list="oss try-sdl"
>     >    audio_possible_drivers="oss sdl"
>     >
>