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How to build Qt on system without a GUI?

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  • jsulmJ jsulm

    @BrMisha said in How to build Qt on system without a GUI?:

    I installed this libs

    dev package also (which contains header files)?

    B Offline
    B Offline
    BrMisha
    wrote on last edited by
    #16

    @jsulm yes, libxkbcommon0 libxkbcommon-x11-dev libxkbcommon-dev are installed

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #17

      Did you re-run configure from a clean state ?

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

      B 1 Reply Last reply
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      • SGaistS SGaist

        Did you re-run configure from a clean state ?

        B Offline
        B Offline
        BrMisha
        wrote on last edited by
        #18

        @SGaist I did re-unzip sources, then did configure))

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #19

          Can you check the configure log to see if there's anything related to that ?

          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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          • B Offline
            B Offline
            BrMisha
            wrote on last edited by
            #20

            Log i will saw after do configure?

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #21

              They are generated when configure is run. Look into your build folder.

              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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              • Pavel_47P Offline
                Pavel_47P Offline
                Pavel_47
                wrote on last edited by
                #22

                Hello,
                I've tried all suggestions found on this topic, but build process still fails: cannot find xkbccommon-compose.h file. Just one remark: trying to install additional packages with the command:
                sudo apt-get install libxcb1 libxcb-util0 libpam-dev ...
                I should remove just libxbc-util0 (all others were kept) because this package wasn't found.
                Any ideas ?
                Thanks.

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #23

                  Hi,

                  What version of xkbcommon do you have 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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                  • Pavel_47P Offline
                    Pavel_47P Offline
                    Pavel_47
                    wrote on last edited by
                    #24

                    @closx said in How to build Qt on system without a GUI?:
                    I'm not aware what is actually installed ... I've just executed the following instruction, as was suggested previously in this topic (except libxcb-util0 which wasn't found)

                    sudo apt-get install libxcb1 libxcb-util0 libpam-dev libcairo-dev libxcb-xinerama0 libev-dev libx11-dev libx11-xcb-dev libxkbcommon0 libxkbcommon-x11-dev libxkbcommon-dev libxcb-dpms0-dev libxcb-xinerama0-dev libxkbfile-dev libxcb-util0-dev libxcb-image0-dev

                    jsulmJ 1 Reply Last reply
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                    • Pavel_47P Pavel_47

                      @closx said in How to build Qt on system without a GUI?:
                      I'm not aware what is actually installed ... I've just executed the following instruction, as was suggested previously in this topic (except libxcb-util0 which wasn't found)

                      sudo apt-get install libxcb1 libxcb-util0 libpam-dev libcairo-dev libxcb-xinerama0 libev-dev libx11-dev libx11-xcb-dev libxkbcommon0 libxkbcommon-x11-dev libxkbcommon-dev libxcb-dpms0-dev libxcb-xinerama0-dev libxkbfile-dev libxcb-util0-dev libxcb-image0-dev

                      jsulmJ Offline
                      jsulmJ Offline
                      jsulm
                      Lifetime Qt Champion
                      wrote on last edited by
                      #25

                      @Pavel_47 Did you install these packages on your target device? Since you're crosscompiling you need them in your sysroot, not on your host machine.

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

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                      1
                      • Pavel_47P Offline
                        Pavel_47P Offline
                        Pavel_47
                        wrote on last edited by
                        #26

                        I've contacted libxkbcommon developers. They suggested me using this command:
                        sudo apt-get install libxkbcommon-dev libxkbcommon-x11-dev
                        That is what i did, but system informed me that libxkbcommon-dev and libxkbcommon-x11-dev are already the newest versions (i.e. 0.8.2-1~ubuntu 18.04.1).

                        Well, I'm trying to rebiuild Qt toolchain once more . Now it's running ...

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                        • Pavel_47P Offline
                          Pavel_47P Offline
                          Pavel_47
                          wrote on last edited by
                          #27

                          Sorry, I've missed your last suggestion - install libxkbcommon on target (i.e RPi3 in my case). But anyway, how build process on the host can be influenced by what is installed (or not) on that target device ?

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                          0
                          • Pavel_47P Offline
                            Pavel_47P Offline
                            Pavel_47
                            wrote on last edited by
                            #28

                            The new attempt of Qt building is also failed.
                            I wonder if anyone has managed to bulid Qt on Ubuntu ?
                            What should I check ... or install to resolve the problem ?

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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #29

                              Since you are cross-compiling, you need all dependencies for your target. This is usually done installing the libraries on said target and then sync the content of the file system of the target back to the host so the cross-compiler can use them to do its work.

                              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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                              • Pavel_47P Offline
                                Pavel_47P Offline
                                Pavel_47
                                wrote on last edited by
                                #30

                                I've just checked libxkbcommon-dev and libxkbcommon-x11-dev on RPi. As on Ubuntu they are installed and are newest versions.

                                Pablo J. RoginaP 1 Reply Last reply
                                0
                                • SGaistS Offline
                                  SGaistS Offline
                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #31

                                  Did you sync your RPi filesystem back to your host before trying to build Qt ?

                                  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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                                  • Pavel_47P Offline
                                    Pavel_47P Offline
                                    Pavel_47
                                    wrote on last edited by
                                    #32

                                    Yes, at very first time I executed these commands (as it's suggested here https://wiki.qt.io/RaspberryPi2EGLFS):
                                    rsync -avz pi@raspberrypi.local:/lib sysroot
                                    rsync -avz pi@raspberrypi.local:/usr/include sysroot/usr
                                    rsync -avz pi@raspberrypi.local:/usr/lib sysroot/usr
                                    rsync -avz pi@raspberrypi.local:/opt/vc sysroot/opt

                                    Then I did 3 or 4 other attempts to build, but at each of these attempts I didn't proceed with resync with RPi.
                                    Anyway one thing escapes me .... should I keep connection with RPi while running toolchain build on host ?

                                    jsulmJ 1 Reply Last reply
                                    0
                                    • Pavel_47P Pavel_47

                                      Yes, at very first time I executed these commands (as it's suggested here https://wiki.qt.io/RaspberryPi2EGLFS):
                                      rsync -avz pi@raspberrypi.local:/lib sysroot
                                      rsync -avz pi@raspberrypi.local:/usr/include sysroot/usr
                                      rsync -avz pi@raspberrypi.local:/usr/lib sysroot/usr
                                      rsync -avz pi@raspberrypi.local:/opt/vc sysroot/opt

                                      Then I did 3 or 4 other attempts to build, but at each of these attempts I didn't proceed with resync with RPi.
                                      Anyway one thing escapes me .... should I keep connection with RPi while running toolchain build on host ?

                                      jsulmJ Offline
                                      jsulmJ Offline
                                      jsulm
                                      Lifetime Qt Champion
                                      wrote on last edited by
                                      #33

                                      @Pavel_47 said in How to build Qt on system without a GUI?:

                                      should I keep connection with RPi while running toolchain build on host ?

                                      No, you just need to sync your sysroot.

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

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                                      0
                                      • Pavel_47P Offline
                                        Pavel_47P Offline
                                        Pavel_47
                                        wrote on last edited by
                                        #34

                                        I've checked the location of xkbcommon-compose.h. It's Ok:
                                        alt text
                                        Then I've tried to compile this:

                                        #include <xkbcommon/xkbcommon-compose.h>
                                        int main() {}
                                        

                                        It was also Ok

                                        jsulmJ 1 Reply Last reply
                                        0
                                        • Pavel_47P Pavel_47

                                          I've checked the location of xkbcommon-compose.h. It's Ok:
                                          alt text
                                          Then I've tried to compile this:

                                          #include <xkbcommon/xkbcommon-compose.h>
                                          int main() {}
                                          

                                          It was also Ok

                                          jsulmJ Offline
                                          jsulmJ Offline
                                          jsulm
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #35

                                          @Pavel_47 Is it in your host system or sysroot?

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

                                          1 Reply Last reply
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