set(BACKEND_FLUIDSYNTH_SRC ${CMAKE_CURRENT_SOURCE_DIR}/fluidsynth_backend.cpp) set(BACKEND_FLUIDSYNTH_INC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) add_playback_backend(fluidsynth_backend ${BACKEND_FLUIDSYNTH_SRC}) target_include_directories(fluidsynth_backend PRIVATE ${BACKEND_FLUIDSYNTH_INC}) find_package(OpenMP) find_package(FluidSynth) target_link_libraries(fluidsynth_backend PUBLIC OpenMP::OpenMP_CXX FluidSynth::libfluidsynth)