make_release_only() add_library(opn OBJECT) target_sources(opn PRIVATE opnmidi_load.cpp opnmidi_private.cpp opnmidi.cpp opnmidi_midiplay.cpp opnmidi_opn2.cpp chips/np2/fmgen_fmgen.cpp chips/np2/fmgen_opna.cpp chips/np2/fmgen_fmtimer.cpp chips/np2/fmgen_file.cpp chips/np2/fmgen_psg.cpp chips/mame_opn2.cpp chips/gens_opn2.cpp chips/mame_opna.cpp chips/np2_opna.cpp chips/mamefm/ymdeltat.cpp chips/mamefm/resampler.cpp chips/mamefm/fm.cpp chips/nuked_opn2.cpp chips/gens/Ym2612_Emu.cpp chips/gx_opn2.cpp chips/pmdwin_opna.cpp chips/nuked/ym3438.c chips/gx/gx_ym2612.c chips/pmdwin/opna.c chips/pmdwin/psg.c chips/pmdwin/rhythmdata.c chips/mamefm/emu2149.c chips/mame/mame_ym2612fm.c wopn/wopn_file.c ) target_compile_definitions(opn PRIVATE # we play with out own sequencer OPNMIDI_DISABLE_MIDI_SEQUENCER # Disable OPNMIDI's experimental yet emulator (using of it has some issues and missing notes in playback) OPNMIDI_DISABLE_GX_EMULATOR ) target_include_directories(opn PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}") use_fast_math(opn)