Re: [Discuss-gnuradio] Error compiling gr-qtgui/lib

[Michael Dickens]

Hi Gisle - Which version of GR are you trying to build? GR37 uses qwt52+qt4, while GR38 uses qwt6+qt5 ... I'm guessing Qwt 6.1.4 should work, though I don't think I've tried it out yet. - MLD

On Mon, Oct 21, 2019 at 9:40 AM Gisle Vanem <address@hidden> wrote:

Hello list.

I have some errors while compiling 'gr-qtgui' using MSVC
and/or clang-cl. From clang-cl:
   TimeRasterDisplayPlot.cc(199,30):  error: allocating an object of abstract class type 'TimeRasterData'
           d_data.push_back(new TimeRasterData(d_rows, d_cols));
                              ^
   f:/Qt/Qwt/src\qwt_raster_data.h(100,25):  note: unimplemented pure virtual method 'interval' in 'TimeRasterData'
       virtual QwtInterval interval( Qt::Axis ) const = 0;
                         ^
   TimeRasterDisplayPlot.cc(374,20):  error: no member named 'setInterval' in 'TimeRasterData'
           d_data[i]->setInterval(Qt::ZAxis, QwtInterval(minIntensity, maxIntensity));
         ~~~~~~~~~  ^

The error on 'setInterval' is in other files too.

I suspect I'm using the wrong Qwt library.
This is the one I'm using:
    svn://svn.code.sf.net/p/qwt/code/trunk/qwt

ver. 6.1.4 Or are we supposed to use another (older) one?

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--gv

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Michael Dickens
Ettus Research Technical Support
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Web: https://ettus.com/