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having multiple versions and an updated apt package?

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  • pgiovanniP Offline
    pgiovanniP Offline
    pgiovanni
    wrote on last edited by
    #1

    So I ran into an issue where I downloaded multiple versions from the online installer. The program would crash as soon as I opened it. I ha to look into some bug reports to realize it cant run with multiple versions installed.
    Is there a reason why you're not allowed to have multiple versions of qt installed?

    Also, I'm not sure if this synaptic package allows for custom installation or has the latest version of QT Creator.

    VRoninV 1 Reply Last reply
    0
    • pgiovanniP pgiovanni

      So I ran into an issue where I downloaded multiple versions from the online installer. The program would crash as soon as I opened it. I ha to look into some bug reports to realize it cant run with multiple versions installed.
      Is there a reason why you're not allowed to have multiple versions of qt installed?

      Also, I'm not sure if this synaptic package allows for custom installation or has the latest version of QT Creator.

      VRoninV Offline
      VRoninV Offline
      VRonin
      wrote on last edited by
      #2

      @pgiovanni said in having multiple versions and an updated apt package?:

      Is there a reason why you're not allowed to have multiple versions of qt installed?

      No because you are. I have 2 versions installed myself. What OS are you on?

      downloaded multiple versions from the online installer

      Usually unnecessary unless you need an ancient version of Qt

      "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
      ~Napoleon Bonaparte

      On a crusade to banish setIndexWidget() from the holy land of Qt

      1 Reply Last reply
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      • JoeCFDJ Offline
        JoeCFDJ Offline
        JoeCFD
        wrote on last edited by
        #3

        it will be better to install different versions under /opt/Qt5 or /opt/Qt6 whatever and set qt bin and lib paths in your bash. In this way, you can install as many as you need. You simply switch them in bash. I have three Qt versions in my machine.

        1 Reply Last reply
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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Hi,

          You are mentioning multiple installer. Does the crash occur with the installer ? If so, it might just be a question of missing something with regard to it.

          You can install as many Qt versions you want in parallel. The installer supports that very well.

          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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          • pgiovanniP Offline
            pgiovanniP Offline
            pgiovanni
            wrote on last edited by
            #5

            No because you are. I have 2 versions installed myself. What OS are you on? @VRonin

            I'm on linux mint 20.2.

            Does the crash occur with the installer? @SGaist

            it occurred after removing the ~/Qt directory and possibly some other directories. Qtcreator crashed every time I would open it with ConnectionServer error: "QLocalSocket: Remote closed" "/tmp/QtCreator-KWIFlC/ClangBackEnd-2152783" I was attempting to reinstall so I could use the QtCharts library. Qtcreator is now working after using the online installer and only installing version 6.2.1 along with no other versions.

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