>> If you compile LilyPond from scratch please retry a compilation
>> with a FontConfig version equal to or larger than 2.15 –
>> theoretically, Variation Fonts should be rejected correctly. If
>> you can't or won't do that you have to replace the VFs with non-VF
>> versions.
>
> I compiled LilyPond from scratch using FontConfig 2.16.
So you say you get exactly the same error message?
> I don't think I can remove the VF fonts:
With this new FontConfig version (and please verify that you really
use it, for example, by checking with `ldd .../bin/lilypond`) it
shouldn't be necessary – as I said, VFs should be rejected. If this
is not the case please send me the output of `lilypond -V ...`
Werner