Re: [Discuss-gnuradio] Qt installation

Hi Alex,

yes, Qwt is necessary; what OS are you on?
Qwt is kind of a problem child; we need Qwt-qt4, in a version somewhere between 5.2 and 6.2.0.

If you're on Linux (which distro?), what does

pkg-config --list-all|grep -i qwt 

tell you¹?

When do you get that error, and could you share it with a bit of context in verbatim?

Best regards,
Marcus

¹ Mine tells me there's

qwt5-qt4                            qwt5-qt4 - Qt Widgets for Technical Applications
qwt                                 Qwt6 - Qt Widgets for Technical Applications
qwtmathml                           qwtmathml - Qwt MathML renderer

On 31.03.2016 15:31, Alexander Levedahl wrote:

Hello,

I was able to install PyQt.  When I attempted to build gnuradio, it complained that it could not find PyQwt and refused to build the gr-qtgui component.  The gnuradio website gives the impression it is not necessary.  When I attempted to install Qwt, I got an error QT_STATIC_CONST.  I believe that is a necessary step to installing PyQwt. 

Is PyQwt necessary to install the gr-qtgui component?  If so, has anyone experienced this issue before?

Thanks,

Alex

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