POYEN OP Olivier (DCL) wrote: > When running python -c "import xosd", I get: > import _xosd > ImportError: ./_xosd.so : undefined Symbol: XFreePixmap This has nothing to do with SWIG. When you link the extension, you need to be sure to link it against any libraries it depends on; in this case, I believe that XFreePixmap is found in libX11.so.