[Discuss-gnuradio] undefined symbol: _Z20gr_make_io_signatureiii

[Tomek]

Hey!

I installed gnuradio like described here: 
http://gnuradio.org/trac/wiki/UbuntuInstall and everything worked fine. Now I 
try to run the benchmark and i get this:

 sudo ./usrp_fft.py 
Traceback (most recent call last):
  File "./usrp_fft.py", line 23, in <module>
    from gnuradio import gr, gru
  File "/usr/local/lib/python2.5/site-packages/gnuradio/gr/__init__.py", line 
27, in <module>
    from gnuradio_swig_python import *
  File 
"/usr/local/lib/python2.5/site-packages/gnuradio/gr/gnuradio_swig_python.py", 
line 23, in <module>
    from gnuradio_swig_py_runtime import *
  File 
"/usr/local/lib/python2.5/site-packages/gnuradio/gr/gnuradio_swig_py_runtime.py",
 line 6, in <module>
    import _gnuradio_swig_py_runtime
ImportError: 
/usr/local/lib/python2.5/site-packages/gnuradio/gr/_gnuradio_swig_py_runtime.so:
 undefined symbol: _Z20gr_make_io_signatureiii

I tried to find answers in the history here but was not successful, can anybody 
give me a hint? I get the same error with usrp_benchmark_usb.py 

thanks!
Tomek
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