project { requires += erlang Define_Custom(Erlang) { automatic_in = 1 automatic_out = 1 command = erlc inputext = .erl, .yrl, .mib, .bin, .rel, .asn1, .idl generic_outputext = .beam, .jam, .erl, .hrl, .bin, .rel, .boot, .asn1db keyword erlcflags = commandflags } }