Hi! I'm working on the DevilutionX port. It should compile for MorphOS out of the box. I have so far made it work and run on WarpOS, AmigaOS3, Linux PPC-EB, and kas1e made it run on AmigaOS4 by simply recompiling it for OS4.
Since WarpUP binaries can run on MorphOS, you can try this one: https://dl.amigadev.com/devilutionx-warpup-elf
// Marlon @ AmigaDev.com Team