Am 2020-06-09 14:42, schrieb Fabian Greffrath:
Looks like we don't have gftools in Debian, sigh...
Apparently this boils down to a single python script importing fonttools which I could just integrate into the Debian package, so chances are good I'll switch to upstream's own TTF build chain with a later package revision:
https://github.com/googlefonts/gftools/blob/master/bin/gftools-fix-dsig.py - Fabian