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qt 5.10.1 cross compile for raspberry pi 3 in debian stretch

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  • S Offline
    S Offline
    sdttn
    wrote on last edited by
    #1

    Hi everyone,

    I have been trying to qt cross compile (qt 5.10.1) for raspberry pi 3 in debian stretch. I am strictly following the links here and here. During (after make command) compilation I am getting the error below.

    In file included from ../../include/QtCore/qglobal.h:1:0,
                     from ../corelib/global/qt_pch.h:56:
    ../../include/QtCore/../../src/corelib/global/qglobal.h:762:47: error: static assertion failed: Required feature library for file ../../include/QtCore/../../src/corelib/plugin/qlibrary.h not available.
     #define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
                                                   ^
    ../../include/QtCore/../../src/corelib/global/qglobal.h:86:36: note: in expansion of macro ‘Q_STATIC_ASSERT_X’
     #define QT_REQUIRE_CONFIG(feature) Q_STATIC_ASSERT_X(QT_FEATURE_##feature == 1, "Required feature " #feature " for file " __FILE__ " not available.")
                                        ^
    ../../include/QtCore/../../src/corelib/plugin/qlibrary.h:45:1: note: in expansion of macro ‘QT_REQUIRE_CONFIG’
     QT_REQUIRE_CONFIG(library);
     ^
    Makefile:27975: recipe for target '.obj/qsslsocket_opensslpre11.o' failed
    make[2]: *** [.obj/qsslsocket_opensslpre11.o] Error 1
    make[2]: Leaving directory '/root/raspi/qtbase/src/network'
    Makefile:273: recipe for target 'sub-network-make_first' failed
    make[1]: *** [sub-network-make_first] Error 2
    make[1]: Leaving directory '/root/raspi/qtbase/src'
    Makefile:48: recipe for target 'sub-src-make_first' failed
    make: *** [sub-src-make_first] Error 2
    

    My best guess was that there is something wrong about the libraries of Qt, but I am not sure of course.
    I am looking forward to hearing your solution ideas to this problem.

    Thanks in advance.

    sdttn,

    L 1 Reply Last reply
    0
    • sierdzioS Offline
      sierdzioS Offline
      sierdzio
      Moderators
      wrote on last edited by
      #2

      Most probably that comes from bad symlinks in your sysroot. Make sure you run sysroot-relativelinks.py

      (Z(:^

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      • S Offline
        S Offline
        sdttn
        wrote on last edited by sdttn
        #3

        I tried that, it doesnt resolve the problem. What are those errors telling us? I am not quite sure what is going on with these errors though.

        sierdzioS 1 Reply Last reply
        0
        • S sdttn

          I tried that, it doesnt resolve the problem. What are those errors telling us? I am not quite sure what is going on with these errors though.

          sierdzioS Offline
          sierdzioS Offline
          sierdzio
          Moderators
          wrote on last edited by
          #4

          @sdttn said in qt 5.10.1 cross compile for raspberry pi 3 in debian stretch:

          I tried that, it doesnt resolve the problem.

          Weird, it worked for me (with Qt 5.10.0 and 5.9.4). Try going to the website this file comes from and checking out if there is a newer version of the script.

          What are those errors telling us? I am not quite sure what is going on with these errors though.

          The errors tell us that the sysroot or toolchain are broken. Basic C++ functionalities are not available.

          (Z(:^

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          0
          • S Offline
            S Offline
            sdttn
            wrote on last edited by
            #5

            I think toolchain is broken...not sure how to fix it though...May be I am supposed to edit some files and export some path etc.

            sierdzioS 1 Reply Last reply
            0
            • S sdttn

              I think toolchain is broken...not sure how to fix it though...May be I am supposed to edit some files and export some path etc.

              sierdzioS Offline
              sierdzioS Offline
              sierdzio
              Moderators
              wrote on last edited by
              #6

              @sdttn said in qt 5.10.1 cross compile for raspberry pi 3 in debian stretch:

              I think toolchain is broken...

              I don't think so. Last commit in RPi toolchain repo is from a month ago - and I used it to compile 5.9.4 and 5.10.0, it worked.

              (Z(:^

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              0
              • sierdzioS Offline
                sierdzioS Offline
                sierdzio
                Moderators
                wrote on last edited by sierdzio
                #7

                I've just tried, it works, with 5.10.1.

                Make sure you properly rsync'ed your sysroot from your raspbery pi, then run the symlink fix script again. I'm pretty certain that's the issue.

                (Z(:^

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                2
                • S Offline
                  S Offline
                  sdttn
                  wrote on last edited by
                  #8

                  @sierdzio said in qt 5.10.1 cross compile for raspberry pi 3 in debian stretch:

                  Make sure you properly rsync'ed your sysroot from your raspbery pi, then run the symlink fix script again. I'm pretty certain that's the issue.

                  Have you used the qtbase or from the source file qt-everywhere-opensource-src-5.7.0.tar.gz.
                  I have tried again and still getting the same errors. May be I should try Qt 5.10.0 instead of Qt 5.10.1.

                  Kind regards,

                  1 Reply Last reply
                  0
                  • sierdzioS Offline
                    sierdzioS Offline
                    sierdzio
                    Moderators
                    wrote on last edited by
                    #9

                    I've used qt-everywhere-src-5.10.1.tar.xz for the test above. I have also successfully compiled 5.10.0 and 5.9.4 with the same sysroot and toolchain.

                    (Z(:^

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                    1
                    • S Offline
                      S Offline
                      sdttn
                      wrote on last edited by
                      #10

                      OK. This is really weird. What am I missing. I have done everything.... including fixing the sysroot folder. Because I just tried even with the 5.10.0 still didnt work.

                      1 Reply Last reply
                      0
                      • sierdzioS Offline
                        sierdzioS Offline
                        sierdzio
                        Moderators
                        wrote on last edited by
                        #11

                        Dunno. I'm on Ubuntu and not Debian Stretch, but I doubt this is of any relevance here.

                        Perhaps it's about some detail on the wiki, I was not following it word for word (mostly because I'm setting up prefixes and folders differently - but the toolchain+sysroot is the same. Plus additionally, I'm running on a live Pi and not the OS image).

                        I did have exactly the issue you had, and in my case running the symlink fix did the trick. One idea - check the version of your symlink script, perhaps some new commit spoiled it or something. Mine is from ~11 January 2018. Actually, let me send it to you, here you go: https://www.dropbox.com/s/1alp65bf2lenrjj/sysroot-relativelinks-1.10-priv.py?dl=0

                        (Z(:^

                        S 1 Reply Last reply
                        1
                        • sierdzioS sierdzio

                          Dunno. I'm on Ubuntu and not Debian Stretch, but I doubt this is of any relevance here.

                          Perhaps it's about some detail on the wiki, I was not following it word for word (mostly because I'm setting up prefixes and folders differently - but the toolchain+sysroot is the same. Plus additionally, I'm running on a live Pi and not the OS image).

                          I did have exactly the issue you had, and in my case running the symlink fix did the trick. One idea - check the version of your symlink script, perhaps some new commit spoiled it or something. Mine is from ~11 January 2018. Actually, let me send it to you, here you go: https://www.dropbox.com/s/1alp65bf2lenrjj/sysroot-relativelinks-1.10-priv.py?dl=0

                          S Offline
                          S Offline
                          sdttn
                          wrote on last edited by
                          #12

                          @sierdzio said in qt 5.10.1 cross compile for raspberry pi 3 in debian stretch:

                          I did have exactly the issue you had, and in my case running the symlink fix did the trick

                          Thank @sierdzio I ll try with your file along with couple of other things and I ll put the results here. But I am glad you get the same error too, I have started to think that I am crazy :)

                          I am not sure what version of raspberry pi is installed on the machine though, I havent put fresh OS in RPI3. There was already some OS in it. That might be an issue. The second possibility could be the OS on my desktop side (debian stretch).
                          These are the possibilities that I can come up with just right now.

                          Like I said I will try and let you know.
                          Thank you for your kind responses.

                          Regards,

                          1 Reply Last reply
                          1
                          • S Offline
                            S Offline
                            sdttn
                            wrote on last edited by sdttn
                            #13

                            hi @sierdzio once again,

                            I have tried the file from the link you have given but this time I got the error as below.

                            g++: error trying to exec 'cc1plus': execvp: No such file or directory
                            Makefile:242: recipe for target 'main.o' failed
                            make: *** [main.o] Error 1
                            
                            

                            This time I have tried for both 5.10.0 and 5.10.1 still on debian stretch installed on virtual machine.
                            Thanks,

                            1 Reply Last reply
                            0
                            • sierdzioS Offline
                              sierdzioS Offline
                              sierdzio
                              Moderators
                              wrote on last edited by
                              #14

                              This one I've not met before.

                              (Z(:^

                              1 Reply Last reply
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                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #15

                                Hi,

                                Might be a silly question but do you have g++ installed ?

                                Interested in AI ? www.idiap.ch
                                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                • S Offline
                                  S Offline
                                  sdttn
                                  wrote on last edited by sdttn
                                  #16

                                  Hi @SGaist,

                                  which g++ are you talking about? You mean this
                                  apt-get install g++
                                  Then yes. Interestingly something happened, I was trying for 5.9.4 and it didint even configure with ./config
                                  Now it keeps giving me the error

                                  g++: error trying to exec 'cc1plus': execvp: No such file or directory
                                  Makefile:242: recipe for target 'main.o' failed
                                  make: *** [main.o] Error 1
                                  

                                  Right before that I was getting pcre_compile.o failed kind of error.

                                  This is really getting messy. Not sure what to do at this point though.

                                  1 Reply Last reply
                                  0
                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #17

                                    I’d start by verifying that you can use g++ for a simple hello world application.

                                    I’d also double check the installation of the development tools.

                                    Interested in AI ? www.idiap.ch
                                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                    • S Offline
                                      S Offline
                                      sdttn
                                      wrote on last edited by
                                      #18

                                      Hi again,

                                      After I am able to compile, I was trying to make an example code which is a simple push button changes the text and I have gotten the error below.
                                      By the way instead of using linaro gcc and g++, I used the one that I have installed with the command

                                      apt-get install gcc-arm-linux-gnueabihf
                                      apt-get install g++-arm-linux-gnueabihf
                                      

                                      I am not sure what the problem is though. Do you think that at some point my compilers and debuggers got mixed up.? Thats my best guess though. I am open for any ideas.

                                      /usr/bin/arm-linux-gnueabihf-g++ -mfloat-abi=hard --sysroot=/root/raspi/sysroot -Wl,-rpath,/usr/local/qt5pi/lib -Wl,-rpath-link,/root/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/root/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/root/raspi/sysroot/lib/arm-linux-gnueabihf -o testRPI3 main.o mainwindow.o moc_mainwindow.o   -L=/opt/vc/lib -L/root/raspi/qt5pi/lib -lQt5Widgets -lQt5Gui -lQt5Core -L/root/raspi/sysroot/usr/lib/arm-linux-gnueabihf -lGLESv2 -lpthread 
                                      main.o: file not recognized: File format not recognized
                                      collect2: error: ld returned 1 exit status
                                      Makefile:245: recipe for target 'testRPI3' failed
                                      make: *** [testRPI3] Error 1
                                      05:40:53: The process "/usr/bin/make" exited with code 2.
                                      Error while building/deploying project testRPI3 (kit: Raspberry Pi 3 )
                                      When executing step "Make"
                                      05:40:53: Elapsed time: 00:00.
                                      

                                      Kind regards,

                                      jsulmJ 1 Reply Last reply
                                      0
                                      • S sdttn

                                        Hi again,

                                        After I am able to compile, I was trying to make an example code which is a simple push button changes the text and I have gotten the error below.
                                        By the way instead of using linaro gcc and g++, I used the one that I have installed with the command

                                        apt-get install gcc-arm-linux-gnueabihf
                                        apt-get install g++-arm-linux-gnueabihf
                                        

                                        I am not sure what the problem is though. Do you think that at some point my compilers and debuggers got mixed up.? Thats my best guess though. I am open for any ideas.

                                        /usr/bin/arm-linux-gnueabihf-g++ -mfloat-abi=hard --sysroot=/root/raspi/sysroot -Wl,-rpath,/usr/local/qt5pi/lib -Wl,-rpath-link,/root/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/root/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/root/raspi/sysroot/lib/arm-linux-gnueabihf -o testRPI3 main.o mainwindow.o moc_mainwindow.o   -L=/opt/vc/lib -L/root/raspi/qt5pi/lib -lQt5Widgets -lQt5Gui -lQt5Core -L/root/raspi/sysroot/usr/lib/arm-linux-gnueabihf -lGLESv2 -lpthread 
                                        main.o: file not recognized: File format not recognized
                                        collect2: error: ld returned 1 exit status
                                        Makefile:245: recipe for target 'testRPI3' failed
                                        make: *** [testRPI3] Error 1
                                        05:40:53: The process "/usr/bin/make" exited with code 2.
                                        Error while building/deploying project testRPI3 (kit: Raspberry Pi 3 )
                                        When executing step "Make"
                                        05:40:53: Elapsed time: 00:00.
                                        

                                        Kind regards,

                                        jsulmJ Offline
                                        jsulmJ Offline
                                        jsulm
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #19

                                        @sdttn Looks like you compiled all the *.o files with a different compiler. You should clean up and rebuild.

                                        https://forum.qt.io/topic/113070/qt-code-of-conduct

                                        1 Reply Last reply
                                        1
                                        • S Offline
                                          S Offline
                                          sdttn
                                          wrote on last edited by sdttn
                                          #20

                                          @sdttn said in qt 5.10.1 cross compile for raspberry pi 3 in debian stretch:

                                          apt-get install gcc-arm-linux-gnueabihf
                                          apt-get install g++-arm-linux-gnueabihf

                                          Can I use these three including gdb as well. Are these correct tools? or Should I use the linaro one...

                                          apt-get install gcc-arm-linux-gnueabihf
                                          apt-get install g++-arm-linux-gnueabihf
                                          apt-get install gdb-multiarch
                                          
                                          jsulmJ 1 Reply Last reply
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