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  4. [Solved] The Qt version is invalid: Qt version is not properly installed, please run make install -- How to fix?
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[Solved] The Qt version is invalid: Qt version is not properly installed, please run make install -- How to fix?

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  • V Offline
    V Offline
    vincegata
    wrote on last edited by
    #1

    Hi,

    I installed Qt Creator 2.2.1 on Ubuntu 11.04 from this website. The file I used: Qt Creator 2.2.1 for Linux/X11 64-bit (82 MB)

    When I tried to build the application I got an error that qmake is missing. So I installed qmake from repository using the following command:

    sudo apt-get install qt4-qmake

    Now, when I build the application I get this error: The Qt version is invalid: Qt version is not properly installed, please run make install.

    How do I resolve it? I would prefer not to install the whole SDK as I am not developing Qt applications. I assume this is possible since Qt Creator is offered as a stand alone application.

    Thanks again!

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    • EddyE Offline
      EddyE Offline
      Eddy
      wrote on last edited by
      #2

      qt Creator 2.2.1 needs a higher qmake version to build than the one you get from your ubuntu package.

      I guess you need the sdk to get a higher version of qmake.

      I had that message before, but i remember it told me what version i needed at least.

      .

      Qt Certified Specialist
      www.edalsolutions.be

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      • L Offline
        L Offline
        ludde
        wrote on last edited by
        #3

        Not sure you can use Qt Creator without Qt. Are you using a .pro file to define your project? In that case you need to remove the default dependencies on the core and gui modules:
        @QT -= core gui@
        But I'm not sure that will be enough.

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        • EddyE Offline
          EddyE Offline
          Eddy
          wrote on last edited by
          #4

          You could just install the Qt library to get a higher version of qmake. Not the complete sdk.

          Don't forget to alter your PATH to the new qmake directory.

          Qt Certified Specialist
          www.edalsolutions.be

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          • V Offline
            V Offline
            vincegata
            wrote on last edited by
            #5

            I see,

            Is qmake the only file I need?

            I am downloading Qt Library to get qmake, then I am thinking to uninstall the library.

            THX!

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            • EddyE Offline
              EddyE Offline
              Eddy
              wrote on last edited by
              #6

              bq. Is qmake the only file I need?
              I am downloading Qt Library to get qmake, then I am thinking to uninstall the library.

              why would you want to uninstall the library? I think you will get dependencies messed up

              Qt Certified Specialist
              www.edalsolutions.be

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              • L Offline
                L Offline
                loladiro
                wrote on last edited by
                #7

                From README
                [quote]
                Building the sources requires Qt 4.7.1 or later.
                [/quote]

                Edit: My Ubuntu 10.04 installation has 4.6.2 as the latest version, so no you can't remove the library, you need to build against it.

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                • V Offline
                  V Offline
                  vincegata
                  wrote on last edited by
                  #8

                  I am not doing any Qt development, I am working on algorithms. I'd like to use Qt Creator as my IDE on Ubuntu and since it is offered on its own I tend to believe I will be able to run it without any Qt libraries or SDK.

                  So, I think I can use Qt Creator without Qt libraries.

                  Can I use qmake without Qt libraries? Or, do I have to replace qmake with cmake?

                  Thank you.

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                  • L Offline
                    L Offline
                    loladiro
                    wrote on last edited by
                    #9

                    Qt Creator is using the Qt Framework so you need at least Qt 4.7.1 to run it.

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                    • V Offline
                      V Offline
                      vincegata
                      wrote on last edited by
                      #10

                      [quote author="loladiro" date="1308683912"]Qt Creator is using the Qt Framework so you need at least Qt 4.7.1 to run it.[/quote]

                      Just to run Qt Creator? I am running it right now without installing any libraries.

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                      • L Offline
                        L Offline
                        loladiro
                        wrote on last edited by
                        #11

                        Well, Ubuntu installed Qt 4.6 for you which is enough to run your old version of Qt Creator.

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                        • V Offline
                          V Offline
                          vincegata
                          wrote on last edited by
                          #12

                          Phew, I (almost) understand now. Thank you.

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