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Re: [Discuss-gnuradio] Trouble Creating a UHD Sink

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Trouble Creating a UHD Sink
Date: Tue, 26 Mar 2013 12:59:45 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4

On 03/26/2013 12:43 PM, Brooke Hayden wrote:
> I have the correct ordering in my swig file, but am still getting these
> errors when I try to import my module in Python. The C++ code compiles
> fine, but I cannot even import the directory in a Python file.
> Traceback (most recent call last):
>   File "sink_test_gui.py", line 10, in <module>
>     import radar2
>   File "/usr/local/lib/python2.7/dist-packages/radar2/__init__.py", line
> 45, in <module>
>     from radar2_swig import *
>   File "/usr/local/lib/python2.7/dist-packages/radar2/radar2_swig.py", line
> 26, in <module>
>     _radar2_swig = swig_import_helper()
>   File "/usr/local/lib/python2.7/dist-packages/radar2/radar2_swig.py", line
> 22, in swig_import_helper
>     _mod = imp.load_module('_radar2_swig', fp, pathname, description)
> ImportError: /usr/local/lib/libgnuradio-radar2.so: undefined symbol:
> _ZN3uhd4usrp10multi_usrp9ALL_GAINSE

Can you confirm that the swig library is linked against libuhd.so?

You might have something like this in your cmakelists.txt



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