+ common/trace_file.cpp
+ common/trace_snappyfile.cpp
+ common/trace_model.cpp
+ common/trace_parser.cpp
+ common/trace_writer.cpp
+ common/trace_local_writer.cpp
+ common/trace_model_writer.cpp
+ common/trace_loader.cpp
+ common/image.cpp
+ common/image_bmp.cpp
+ common/image_pnm.cpp
+ common/image_png.cpp
+ common/${os}