if (NOT SYSTEM_SQLITE) add_subdirectory(sqlite3) endif() if (ENABLE_IAX) add_subdirectory(iaxclient/lib) endif() add_subdirectory(mongoose) add_subdirectory(cjson) add_subdirectory(flite_hts_engine) if (NOT SYSTEM_HTS_ENGINE) add_subdirectory(hts_engine_API) endif() if (ENABLE_HID_INPUT) add_subdirectory(hidapi) endif() add_subdirectory(fonts) if (ENABLE_PLIB_JOYSTICK) add_subdirectory(joystick) endif() if (NOT SYSTEM_CPPUNIT) add_subdirectory(cppunit) endif()