@stoatsoup Hey, I tried to compile your fork today and I got this message:
glwrapper-ogl.cc:29:14: fatal error: GL/glu.h: Datei oder Verzeichnis nicht gefunden
29 | # include <GL/glu.h>
| ^~~~~~~~~~
compilation terminated.
The german sentence means file or directory not found.
The command to install the packaged dependencies “git submodule update --init” worked without error message.
Do you have any idea, what is going wrong?