Installing Qt5 from source produces compiler error



  • Hello,
    i am trying to install qt5.10 on Raspbian with a Raspberry Pi.
    The error happens after i use the command make and this is the error output:

    g++: internal compiler error: Speicherzugriffsfehler (program cc1plus)
    Please submit a full bug report,
    with preprocessed source if appropriate.
    See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
    Makefile:5889: die Regel für Ziel „.obj/qprintdevice.o“ scheiterte
    make[3]: *** [.obj/qprintdevice.o] Fehler 4
    make[3]: Verzeichnis „/home/pi/opt/qt5/qtbase/src/printsupport“ wird verlassen
    Makefile:660: die Regel für Ziel „sub-printsupport-make_first“ scheiterte
    make[2]: *** [sub-printsupport-make_first] Fehler 2
    make[2]: Verzeichnis „/home/pi/opt/qt5/qtbase/src“ wird verlassen
    Makefile:48: die Regel für Ziel „sub-src-make_first“ scheiterte
    make[1]: *** [sub-src-make_first] Fehler 2
    make[1]: Verzeichnis „/home/pi/opt/qt5/qtbase“ wird verlassen
    Makefile:84: die Regel für Ziel „module-qtbase-make_first“ scheiterte
    make: *** [module-qtbase-make_first] Fehler 2
    

    I know its in german and probably not that readable but it seems to be a segmentation fault.
    Something is wrong with the g++ compiler, but what can i do?
    gcc version: gcc version 6.3.0 20170516 (Raspbian 6.3.0-18+rpi1)

    Greets,

    Xeno



  • @Xenoshell
    Other than submitting a bug report (to be clear, it seems to be happening when compiling to build qprintdevice.o), as it says, I suspect someone might ask you to check what version of gcc you are using, and to make sure it's as up-to-date a version as possible?



  • @JonB where should i report the bug? I already saw that there is a general linux bug report website. Should i take that or is there something special for qt?



  • @Xenoshell
    I know no more than the error message which states:

    Please submit a full bug report,
    with preprocessed source if appropriate.
    See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
    

    !! There won't be something special just because it's Qt....

    However, purely at a guess, it seems (to me) "unlikely" that gcc will fall over compiling for qprintdevice.o, since I would have thought others have managed it. So I'd check your setup/installation/make instructions etc. first....



  • @JonB here is my ./configure: -opensource -confirm-license -gui -widgets -dbuslinked -opengl -pulseaudio -alsa -gstreamer

    I also wanted to include -webengine-alsa -webengine-pulseaudio and -device-option CROSS_COMPILE=/usr/bin -device linux-rpi3-g++ but that produced errors so i had to cut them out. Quite strange to be honest but i just wanted this to work... I am now working with Raspbian and on Ubuntu Mate the same commands worked :/



  • @Xenoshell
    To be clear, I don't use C++, I don't compile Qt, and I'm not a Qt expert! So I'm not the right person to ask....



  • @JonB thats allright, i still have a somewhat basic question. I see a lot of patch files being used all around the linux community, but how do i use those?


  • Lifetime Qt Champion

    Hi,

    You should first check with the folks from Raspbian to see whether they apply patches to Qt.

    Here is a small introduction about using the patch and diff commands.


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