option( PLUGIN_IO_QPHOTOSCAN "Install qPhotoscan I/O plugin" OFF ) if( PLUGIN_IO_QPHOTOSCAN ) project( QPHOTOSCAN_IO_PLUGIN ) AddPlugin( NAME ${PROJECT_NAME} TYPE io ) add_subdirectory( include ) add_subdirectory( src ) add_subdirectory( extern/quazip EXCLUDE_FROM_ALL ) target_link_libraries( ${PROJECT_NAME} quazip ) endif()