INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/libogg/include) SET(OGG_SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/libogg/src/bitwise.c ${CMAKE_CURRENT_SOURCE_DIR}/libogg/src/framing.c) add_subdirectory(Audio.Wav) add_subdirectory(Audio.Opus) IF(AUDIO_VORBIS_DECODE_LIBRARY STREQUAL TREMOLO) add_subdirectory(Audio.Tremolo) ELSEIF(AUDIO_VORBIS_DECODE_LIBRARY STREQUAL TREMOR) add_subdirectory(Audio.Tremor) ELSE() add_subdirectory(Audio.Vorbis) ENDIF()