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Thread: Trouble Installing qwtpolar on ubuntu 16.04

  1. #1
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    Default Trouble Installing qwtpolar on ubuntu 16.04

    Hello,

    Currently I am using Qt 5.5.1, Qwt 6.1.3 on ubuntu 16.04. I went through and installed qwt following the standard procedure (qmake, make, make install) and it installed fine. When I tried to install qwtpolar however i get an error during make that says:
    qwt_polar_fitter.h:13:30: fatal error: qwt_curve_fitter.h: No such file or directory

    I have tried doing qmake -set QMAKEFEATURES /user/local/qwt.6.1.3/features and then running the qwtpolar qmake and make again but the same error still pops up. I have no idea what else to do. Any help/guidance would be greatly appreciated.

    also i would like to note that i have been able to run the qwt examples, but have yet to install the qwt designer plugin, its on my list of things to do. Don't know if this matters.

  2. #2
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    Default Re: Trouble Installing qwtpolar on ubuntu 16.04

    Disable "CONFIG += silent" in qwtpolarbuild.pri. Then you will at least see the include path used for locating the Qwt headers.

    Uwe

  3. #3
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    Default Re: Trouble Installing qwtpolar on ubuntu 16.04

    So i disabled CONFIG += silent but i didn't see anything related to qwt in the terminal when i ran make.
    this is the output i got after disabling the config in qwtpolarbuild.pri:
    cd src/ && ( test -e Makefile || /usr/lib/x86_64-linux-gnu/qt5/bin/qmake /home/mohamedl/Downloads/qwtpolar-1.1.1/src/src.pro -o Makefile ) && make -f Makefile
    make[1]: Entering directory '/home/mohamedl/Downloads/qwtpolar-1.1.1/src'
    g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -fPIC -DQWT_POLAR_NO_SVG -DQT_NO_DEBUG -DQT_NO_KEYWORDS -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -I. -isystem /usr/include/x86_64-linux-gnu/qt5 -isystem /usr/include/x86_64-linux-gnu/qt5/QtPrintSupport -isystem /usr/include/x86_64-linux-gnu/qt5/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt5/QtGui -isystem /usr/include/x86_64-linux-gnu/qt5/QtConcurrent -isystem /usr/include/x86_64-linux-gnu/qt5/QtCore -Imoc -I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++-64 -o obj/qwt_polar_fitter.o qwt_polar_fitter.cpp
    In file included from qwt_polar_fitter.cpp:9:0:
    qwt_polar_fitter.h:13:30: fatal error: qwt_curve_fitter.h: No such file or directory
    compilation terminated.
    Makefile:465: recipe for target 'obj/qwt_polar_fitter.o' failed
    make[1]: *** [obj/qwt_polar_fitter.o] Error 1
    make[1]: Leaving directory '/home/mohamedl/Downloads/qwtpolar-1.1.1/src'
    Makefile:44: recipe for target 'sub-src-make_first-ordered' failed
    make: *** [sub-src-make_first-ordered] Error 2

  4. #4
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    Default Re: Trouble Installing qwtpolar on ubuntu 16.04

    Quote Originally Posted by mlahlou View Post
    So i disabled CONFIG += silent but i didn't see anything related to qwt in the terminal when i ran make.
    What indicates, that your qmake configuration didn't work as you should see the settings from .../features/qwt.prf.

    So better double check what you did - maybe trying to replace "CONFIG += qwt" in qwtpolarbuild.pri by an explicit: "include ( .../features/qwt.prf )"

    Uwe

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