Pdlib php8.0 facerecognition App

Hey.

After I updated my PHP version to 8.0, nextcloud now tells me that the pdflib for the facerecognition app is missing. Logical, but how do I install it now?

if I try it with the following instructions: PDlib Installation · matiasdelellis/facerecognition Wiki · GitHub

I just get the following errors with the make command: Screenshot by Lightshot