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Re: [Discuss-gnuradio] undefined Symbol with UHD in GRC

From: Josh Blum
Subject: Re: [Discuss-gnuradio] undefined Symbol with UHD in GRC
Date: Mon, 11 Apr 2011 08:28:07 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

On 04/11/2011 05:33 AM, Christian Schroeder wrote:
> Hello,
> I am just trying to move to UHD. For this I installed the gnuradio
> master branch to a custom location in my home. Moreover, the uhd
> software (release 003.000.001 built from source) is at non-default
> location in /opt/uhd.
> ./configure, make and make install worked without problems, but when
> running a simple flowgraph in grc using a uhd block, I get an error
> message (see below) when importing uhd.
> Maybe I am missing an environment variable at this point?
> $LD_LIBRARY_PATH=/opt/uhd/lib/:/home/csc/Software/gnuradio_git_master_2011-03-28/lib/
> $PYTHONPATH=/home/csc/Software/gnuradio_git_master_2011-03-28/lib/python2.6/site-packages

Also set the PKG_CONFIG_PATH to help your gnuradio configure find the
uhd in /opt

> A reply from Josh to a similar posting did not point me to the solution.
>  Libraries are there, but I did not find the symbol in gr-uhd/uhd_swig.i
> as mentioned.
> OS is Ubuntu karmic 9.10 64Bit.
> Any hint is be appreciated.

Make sure that you are building the latest master branch for UHD and for
Gnuradio, and then you dont have multiple installs or something. I'm
sure this is just an issue of a stale branch/install.


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