add_subdirectory(lapack) add_subdirectory(zlib) if(WITH_JASPER AND NOT JASPER_FOUND) add_subdirectory(libjasper) endif() if(WITH_JPEG AND NOT JPEG_FOUND) add_subdirectory(libjpeg) endif() if(WITH_PNG AND NOT PNG_FOUND) add_subdirectory(libpng) endif() if(WITH_TIFF AND NOT TIFF_FOUND) add_subdirectory(libtiff) endif()