Hey Mike, If you suspect that you have problems with libraries, maybe you want to run the install script with the prereqs option to install all the dependencies.
wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio prereqs Thanks, Murray On 18 February 2015 at 21:28, Mike Markowski <mike.ab...@gmail.com> wrote: > Just a followup to my own note. I did > > ldd /usr/lib/libgnuradio-qtgui-3.7.6.1.so.0.0.0 > > and no library comes up as missing. > > Thanks, > Mike Markowski > > > On 02/18/2015 04:13 PM, Mike Markowski wrote: > >> I was excited to successfully try an rtl-sdr GRC demo/tutorial and >> decided to start following the gnuradio tutorials to better learn the >> program. I quickly ran into trouble, so am sure I've done something >> stupid but can't figure out what! Running through tutorial >> >> http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorial_GRC >> >> and reaching section 2.2.3, 'Generate' goes fine, but not 'Execute': >> >> >> Generating: "/home/mm/gnuradio/tutorial_two_1.py" >> >> Executing: "/home/mm/gnuradio/tutorial_two_1.py" >> >> Traceback (most recent call last): >> File "/home/mm/gnuradio/tutorial_two_1.py", line 13, in <module> >> from gnuradio import qtgui >> File "/usr/lib/python2.7/site-packages/gnuradio/qtgui/__init__.py", >> line 34, in <module> >> from qtgui_swig import * >> File "/usr/lib/python2.7/site-packages/gnuradio/qtgui/qtgui_swig.py", >> line 28, in <module> >> _qtgui_swig = swig_import_helper() >> File "/usr/lib/python2.7/site-packages/gnuradio/qtgui/qtgui_swig.py", >> line 24, in swig_import_helper >> _mod = imp.load_module('_qtgui_swig', fp, pathname, description) >> ImportError: /usr/lib/libgnuradio-qtgui-3.7.6.1.so.0.0.0: undefined >> symbol: _ZN7QwtPlot11eventFilterEP7QObjectP6QEvent >> >> >>> Done (return code 1) >> >> The machine I'm on is a gentoo box with gnuradio compiled as follows >> (notice qt4 is specified): >> >> # emerge -pv gnuradio >> >> These are the packages that would be merged, in order: >> >> Calculating dependencies... done! >> [ebuild R ] net-wireless/gnuradio-3.7.6.1:0/3.7.6.1::gentoo >> USE="alsa analog audio ctrlport digital doc examples fcd filter grc jack >> oss qt4 sdl utils wavelet wxwidgets -atsc -channels -dtv -fec -log -noaa >> -pager -performance-counters -portaudio {-test} -trellis -uhd -vocoder >> -zeromq" PYTHON_TARGETS="python2_7" 0 KiB >> >> Total: 1 package (1 reinstall), Size of downloads: 0 KiB >> >> As I mentioned, all works well with RTL-SDR source, so I assume there is >> a QT problem of some sort? >> >> Thanks! >> Mike Markowski >> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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