Forum: GNU Radio Version Problem ?

Hi all,

after a fresh build of gnuradio on a gentoo 64 bit system the qtgui
stuff doesn't work anymore.

Make test fails with. The output is:

Start testing: Feb 07 17:11 CET
----------------------------------------------------------
1/1 Testing: qa_qtgui
1/1 Test: qa_qtgui
Command: "/bin/sh"
"/home/schroer/gnuradiocomponents/gnuradio/build/gr-qtgui/python/qa_qtgui_test.sh"
Directory: 
/home/schroer/gnuradiocomponents/gnuradio/build/gr-qtgui/python
"qa_qtgui" start time: Feb 07 17:11 CET
Output:
----------------------------------------------------------
Traceback (most recent call last):
   File
"/home/schroer/gnuradiocomponents/gnuradio/gr-qtgui/python/qa_qtgui.py",
line 24, in <module>
     import qtgui_swig
   File
"/home/schroer/gnuradiocomponents/gnuradio/build/gr-qtgui/swig/qtgui_swig.py",
line 26, in <module>
     _qtgui_swig = swig_import_helper()
   File
"/home/schroer/gnuradiocomponents/gnuradio/build/gr-qtgui/swig/qtgui_swig.py",
line 22, in swig_import_helper
     _mod = imp.load_module('_qtgui_swig', fp, pathname, description)
ImportError:
/home/schroer/gnuradiocomponents/gnuradio/build/gr-qtgui/lib/libgnuradio-qtgui-3.6.4git.so.0.0.0:
undefined symbol: 
_ZNK7QwtPlot9drawItemsEP8QPainterRK6QRectFPK11QwtScaleMap
<end of output>
Test time =   0.24 sec
----------------------------------------------------------
Test Failed.
"qa_qtgui" end time: Feb 07 17:11 CET
"qa_qtgui" time elapsed: 00:00:00
----------------------------------------------------------
  qwt 6.0.2 and qt-4.8.4 are installed.

Any ideas ?

Thanks in advance

Volker

On Thu, Feb 7, 2013 at 11:19 AM, Volker Schroer <dl1ksv@gmx.de> wrote:

> 1/1 Test: qa_qtgui
>     import qtgui_swig
> Test time =   0.24 sec
>
> Volker
>

Hi Volker,

I'm guessing that you are using the master branch from the name of your
library? (not that that changes too much).

This strikes me as an issue with a library linking problem. I'd 
recommend
deleting your CMakeCache.txt file in your build directory, rerun cmake, 
and
then rebuild (might even want to 'make clean' in gr-qtgui). QwtScaleMap
definitely exists in Qwt 6.0.2, and I'm using it right now. I think
something just got confused in a version change somewhere.

Tom