This is port of first doom to pocketbook, adapted for basic 3 model, based on doom generic source.
For building you need to run makearm.sh script. In case of any problems related to linking stage you need to modify link.txt file and delete
,--dependency-file=CMakeFiles/{can be different}/link.d
Also don't forget about pocketbook sdk :)
You can find it here. Project must be in sources folder.
Just copy doom.wad and executable to applications dir inside your pocketbook device.