I'm on Ubuntu 20.04LTS. I used "configure", "make", and "sudo make install", to compile.
When I run amule, it terminates after a few seconds with these messages:
(amule:608477): GLib-CRITICAL **: 19:10:41.690: Source ID 436 was not found when attempting to remove it
(amule:608477): GLib-CRITICAL **: 19:11:37.256: Source ID 965 was not found when attempting to remove it
(amule:608477): GLib-CRITICAL **: 19:11:38.194: Source ID 1131 was not found when attempting to remove it
(amule:608477): GLib-CRITICAL **: 19:13:50.109: Source ID 1880 was not found when attempting to remove it
Terminated