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Re: [Discuss-gnuradio] Qt installation

From: Marcus Müller
Subject: Re: [Discuss-gnuradio] Qt installation
Date: Thu, 31 Mar 2016 15:40:43 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

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,

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:

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?


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