I have created an Appimage project (built using Cmake) based on instructions from here: https://docs.appimage.org/packaging-guide/from-source/native-binaries.html
I have built it on Ubuntu 18.04, where it works fine (to be sure that it was portable I tested it also on linux mint 19), but on newet 20.04 ubuntu it doesn’t work.
The only thing terminal returns is:
Aborted (core dumped)
During packaging i had problem mentioned here (in case if this would be relevant):
Project I worked with: