*Problem*: I can't use qtgui blocks. Wxgui blocks work. My system is CentOS
6.6 running gnuradio 3.7.6 installed using pybombs.
*Debug*: I've run cmake in pybombs/gnuradio/src/build to make sure qtgui
was enabled during install, and it is. The only gnuradio components
disabled that are listed by cmake are doxygen, sphinx, gr-comedi and
gr-zeromq.
I then opened a terminal to test library imports. I can 'import gnuradio'
and I can 'from gnuradio import wxgui', as you would expect. When I try,
'from gnuradio import qtgui', I get the following output:
>>> import gnuradio
>>> from gnuradio import wxgui
>>> from gnuradio import qtgui
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/home/tsvcis/Documents/target/lib64/python2.6/site-packages/gnuradio/qtgui/__init__.py",
line 34, in <module>
from qtgui_swig import *
File
"/home/tsvcis/Documents/target/lib64/python2.6/site-packages/gnuradio/qtgui/qtgui_swig.py",
line 26, in <module>
_qtgui_swig = swig_import_helper()
File
"/home/tsvcis/Documents/target/lib64/python2.6/site-packages/gnuradio/qtgui/qtgui_swig.py",
line 22, in swig_import_helper
_mod = imp.load_module('_qtgui_swig', fp, pathname, description)
ImportError:
/home/tsvcis/Documents/target/lib64/libgnuradio-qtgui-3.7.7git.so.0.0.0:
undefined symbol: _ZN7QwtPlot16staticMetaObjectE
>>>
*Conclusion: *There is a problem with my qtgui install but I don't know how
to debug any further to apply a fix. I've googled the traceback output with
no luck. I'm hoping someone has come across and fixed this issue before who
could explain what's going on.
v/r,
Rich
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