[3dprinter-general] Bug#914953: Bug#914953: FTBFS with Python 3.7 on many architectures

[Gregor Riepl]

> Hi, I saw that you asked for sponsorship on the ML¹ but then pere failed
> to build the package².  Could you please have a look soon?

Sorry, got held up by the mess that is symbols files for C++ libraries that
don't properly hide internal symbols.

I'll try to get this sorted out ASAP.

Do you know who I could talk to for help with C++ symbols file issues?