dh_swi_prolog -V (return code: 2)
dh_swi_prolog: "debian/control" not found. Are you sure you are in the correct directory?
dh_swi_prolog --help (return code: 1)
Usage: dh_swi_prolog [options]
dh_swi_prolog is a part of debhelper. See debhelper(7)
and dh_swi_prolog(1) for complete usage instructions.