@dteam @dmmarti @kcoconnor76
Looking in to the source, there doesn't seem to be a direct makefile for linux.
I can't compile the source.
I would say it's beyond my level now.
If you really want, you can try and use the windows binary within box86/wine :
https://retropie.org.uk/forum/topic/28528/box86-and-wine-on-rpi4
To me, lr-mess/mame seems to be the best option here.