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How to build Qt on system without a GUI?

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  • J jsulm
    3 Jul 2019, 11:42

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

    I installed this libs

    dev package also (which contains header files)?

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    BrMisha
    wrote on 3 Jul 2019, 17:01 last edited by
    #16

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

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      SGaist
      Lifetime Qt Champion
      wrote on 3 Jul 2019, 21:43 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 4 Jul 2019, 03:29
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      • S SGaist
        3 Jul 2019, 21:43

        Did you re-run configure from a clean state ?

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        BrMisha
        wrote on 4 Jul 2019, 03:29 last edited by
        #18

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

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          SGaist
          Lifetime Qt Champion
          wrote on 4 Jul 2019, 20:07 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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            BrMisha
            wrote on 5 Jul 2019, 05:22 last edited by
            #20

            Log i will saw after do configure?

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              SGaist
              Lifetime Qt Champion
              wrote on 5 Jul 2019, 21:53 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_47
                wrote on 23 Oct 2019, 14:19 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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                  SGaist
                  Lifetime Qt Champion
                  wrote on 23 Oct 2019, 18:07 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_47
                    wrote on 24 Oct 2019, 08:24 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

                    J 1 Reply Last reply 24 Oct 2019, 09:01
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                    • P Pavel_47
                      24 Oct 2019, 08:24

                      @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

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                      jsulm
                      Lifetime Qt Champion
                      wrote on 24 Oct 2019, 09:01 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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                        Pavel_47
                        wrote on 24 Oct 2019, 09:15 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_47
                          wrote on 24 Oct 2019, 09:26 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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                            Pavel_47
                            wrote on 24 Oct 2019, 09:42 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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                              SGaist
                              Lifetime Qt Champion
                              wrote on 24 Oct 2019, 10:51 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_47
                                wrote on 24 Oct 2019, 11:09 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 25 Oct 2019, 13:28
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                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on 24 Oct 2019, 11:11 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_47
                                    wrote on 24 Oct 2019, 11:32 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 ?

                                    J 1 Reply Last reply 24 Oct 2019, 11:34
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                                    • P Pavel_47
                                      24 Oct 2019, 11:32

                                      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 ?

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                                      jsulm
                                      Lifetime Qt Champion
                                      wrote on 24 Oct 2019, 11:34 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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                                        Pavel_47
                                        wrote on 24 Oct 2019, 12:07 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

                                        J 1 Reply Last reply 24 Oct 2019, 12:13
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                                        • P Pavel_47
                                          24 Oct 2019, 12:07

                                          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

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                                          jsulm
                                          Lifetime Qt Champion
                                          wrote on 24 Oct 2019, 12:13 last edited by
                                          #35

                                          @Pavel_47 Is it in your host system or sysroot?

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

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