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Having trouble building Qt 6 from source

Scheduled Pinned Locked Moved Unsolved Qt 6
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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote last edited by
    #14

    Currently I don't have any specifics in mind.

    I just realized something, the Moc message is correct, QCanFrameProcessor is indeed not a QObject based class.

    Can you build Qt with parallel at 1 ?

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

    S 1 Reply Last reply
    0
    • SGaistS SGaist

      Currently I don't have any specifics in mind.

      I just realized something, the Moc message is correct, QCanFrameProcessor is indeed not a QObject based class.

      Can you build Qt with parallel at 1 ?

      S Offline
      S Offline
      SkeletonHorse
      wrote last edited by
      #15

      @SGaist I did build Qt with parrallel, though I dont undesrstand what you mean by building it "at 1" forgive me for my need for specifics, I just dont know much about qt and I'm building it for specific capabilites only available to such version.

      Anyways could you elaborate on building it "at 1" ?

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote last edited by
        #16

        Either remove parallel from the parameters or set its value to 1.

        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
          SkeletonHorse
          wrote last edited by
          #17

          How do I set the value to 1?

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote last edited by
            #18

            --parallel 1

            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
              SkeletonHorse
              wrote last edited by
              #19

              I have set it's value to one but I seem to have encountered the same build error.

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              • S Offline
                S Offline
                SkeletonHorse
                wrote last edited by
                #20

                if it means anything I did get this warning
                while looking at the configure summary file:
                "Required Python dependencies NOT found: spdx_tools.spdx.clitools.pyspdxtools"
                While also getting this warning during the build process:
                "WARNING: Support for linking against a C++ standard library other
                than the one in-tree (buildtools/third_party/libc++) is deprecated
                and support for this will end. We plan to remove this option in
                M138."
                Do you think any of these might be the source of my problem?

                S 1 Reply Last reply
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                • GrecKoG Offline
                  GrecKoG Offline
                  GrecKo
                  Qt Champions 2018
                  wrote last edited by
                  #21

                  What errors do you encounter?

                  Those seems to be warnings.

                  S 1 Reply Last reply
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                  • GrecKoG GrecKo

                    What errors do you encounter?

                    Those seems to be warnings.

                    S Offline
                    S Offline
                    SkeletonHorse
                    wrote last edited by SkeletonHorse
                    #22

                    @GrecKo the errors are stated at the top of the post but for clarification I get
                    these messages:

                    AutoMoc: /home/<self>/Documents/<tmp>/<tmp>/qt-everywhere-src-6.10.2/qtserialbus/src/serialbus/qcanframeprocessor.h: note: No relevant classes found. No output generated.
                    [12263/12791] Generating wayland-wayland-server-protocol.h
                    %3Cstdin%3E:2307: element event: validity error : No declaration for attribute deprecated-since of element event

                    WARNING: XML failed validation against built-in DTD

                    during the build process

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                    • S SkeletonHorse

                      if it means anything I did get this warning
                      while looking at the configure summary file:
                      "Required Python dependencies NOT found: spdx_tools.spdx.clitools.pyspdxtools"
                      While also getting this warning during the build process:
                      "WARNING: Support for linking against a C++ standard library other
                      than the one in-tree (buildtools/third_party/libc++) is deprecated
                      and support for this will end. We plan to remove this option in
                      M138."
                      Do you think any of these might be the source of my problem?

                      S Offline
                      S Offline
                      SkeletonHorse
                      wrote last edited by
                      #23

                      @SkeletonHorse Do any of you think that the required python dependencies here might be causing my issues? I have a feeling they are, though I am having trouble downloading the packages via sudo apt install so I haven't been able to test it.

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                      • S Offline
                        S Offline
                        SkeletonHorse
                        wrote last edited by
                        #24

                        Do any of you know how I can install these dependencies on ubuntu? I've tried pip install which is the general way to do it but doing so would cause conflicts on my OS, and I can't seem to find apt packages that have the equivalent to what I need. any helpful response would be appreciated

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