Hi fellow Debian hams and Gnuradio experts,
I am currently trying to build a SDR experimental application based on
Gnuradio for digital voice and data communications in the amateur radio
VHF-UHF bands [1][2]. I am using Gnuradio 3.7.10 on Debian GNU/Linux from
jessie-backports. I ran into some problems which I will describe below and
which may be solved with your kind help.
1. Trying to build gnuradio-qtgui support in, I encountered these errors:
g++ -c -pipe -O2 -D_REENTRANT -Wall -W -DQT_WEBKIT -DQT_NO_DEBUG
-DQT_SQL_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED
-I/usr/share/qt4/mkspecs/linux-g++ -I../../qradiolink_mobile
-I/usr/include/qt4/QtCore -I/usr/include/qt4/QtNetwork
-I/usr/include/qt4/QtGui -I/usr/include/qt4/QtSql -I/usr/include/qt4 -I.
-I. -I../../qradiolink_mobile -I. -o dtmfcommand.o ../dtmfcommand.cpp
In file included from /usr/include/gnuradio/qtgui/number_sink.h:32:0,
from ../gr/gr_demod_bpsk_sdr.h:27,
from ../gr/gr_modem.h:38,
from ../radioop.h:39,
from ../main.cpp:41:
/usr/include/gnuradio/qtgui/qtgui_types.h:26:27: fatal error:
qwt_color_map.h: No such file or directory
#include <qwt_color_map.h>
^
compilation terminated.
It seems as if the relevant header from gnuradio references the wrong path
of QWT. I can make it build by editing the headers to provide the QWT
directory:
#include <qwt/qwt_color_map.h>
#include <qwt/qwt_scale_draw.h>
It may be that this is relevant only to Debian packages from
Jessie-backports, or it may be a larger issue.
2. When trying to build the application using QT 5.3 as provided by Debian,
it links fine, but the application segfaults when running. The build works
fine with QT 4.8, which makes me think that gnuradio-qtgui in Debian does
not support QT5. Would be great to clear this. I can provide backtraces if
required.
With thanks for the wonderful packages your communities are providing,
Adrian (YO8RZZ)
[1] https://github.com/kantooon/qradiolink
[2] https://www.youtube.com/watch?v=93nWWASt5a4
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