set(HTS_ENGINE_SOURCES lib/HTS_audio.c lib/HTS_engine.c lib/HTS_gstream.c lib/HTS_label.c lib/HTS_misc.c lib/HTS_model.c lib/HTS_pstream.c lib/HTS_sstream.c lib/HTS_vocoder.c ) add_library(hts_engine STATIC ${HTS_ENGINE_SOURCES} ) target_include_directories(hts_engine PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include) add_library(Flightgear::HTSEngine ALIAS hts_engine)