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Can we install qt 4.8.1 in ubuntu 18.04?

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  • V vaibs

    No .I dont think this..I have build succefully and run ..but some function not work because some api are obsolete..But i couldnt find obsolete api..because i have not find error of obsolete api..I cant explain exact where problm is generated

    mrjjM Offline
    mrjjM Offline
    mrjj
    Lifetime Qt Champion
    wrote on last edited by
    #16

    @vaibs
    Hi
    What about using the debugger and step into the function that seems not to work when
    clicking in the interface.?
    That way you can discover why its not working.

    1 Reply Last reply
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    • V Offline
      V Offline
      vaibs
      wrote on last edited by
      #17

      i want only install qt 4.8.1..I used "qt-everywhere-opensource-src-4.8.1.tar" .but when run "make" i have occure error in this tar file..![alt text](0_1555315332422_Screenshot from 2019-04-15 13-31-46.png image url)

      @mrjj @aha_1980 Thanks i will try once again all process

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      • mrjjM Offline
        mrjjM Offline
        mrjj
        Lifetime Qt Champion
        wrote on last edited by
        #18

        Hi
        ok. it will most likely result in the same error as it seems to be something with /usr/include
        What we are trying to tell you is that 4.8.7 IS very close to 4.8.1 so
        the application should work and we are not sure what API should be obsolete as
        it should not be the case.

        1 Reply Last reply
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        • V Offline
          V Offline
          vaibs
          wrote on last edited by
          #19

          Hii,Thanks for reply.
          i have trying following step for install qt 4.8.7.

          1. gunzip qt-everywhere-opensource-src-4.8.7.tar.gz
            2)tar xf qt-everywhere-opensource-src-4.8.7.tar
            3)cd qt-everywhere-opensource-src-4.8.7/
            4)./configure
            Configure file without error,then i run "make" following error occure.I solved this error but then again generated new error while run "make".Why this happend?I couldnt install qt 4.8.7 ..how i can i0_1555320389906_Screenshot from 2019-04-15 14-54-47.png nstall qt 4.8.7 and qt 4.8.1 on ubuntu 18.04 lts without error?please help
          mrjjM 1 Reply Last reply
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          • V vaibs

            Hii,Thanks for reply.
            i have trying following step for install qt 4.8.7.

            1. gunzip qt-everywhere-opensource-src-4.8.7.tar.gz
              2)tar xf qt-everywhere-opensource-src-4.8.7.tar
              3)cd qt-everywhere-opensource-src-4.8.7/
              4)./configure
              Configure file without error,then i run "make" following error occure.I solved this error but then again generated new error while run "make".Why this happend?I couldnt install qt 4.8.7 ..how i can i0_1555320389906_Screenshot from 2019-04-15 14-54-47.png nstall qt 4.8.7 and qt 4.8.1 on ubuntu 18.04 lts without error?please help
            mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by
            #20

            @vaibs
            well for 4.8.7 just do
            sudo apt install qt4-default

            1 Reply Last reply
            1
            • V Offline
              V Offline
              vaibs
              wrote on last edited by
              #21

              @mrjj Thank you..I will try ..
              Can you tell me why this error generated?because i have try above step for any qt installation error is generated.If any one have without error tar file for installation qt 4.8 using above step so its appreciated ..Thanks i will try.

              mrjjM 1 Reply Last reply
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              • V vaibs

                @mrjj Thank you..I will try ..
                Can you tell me why this error generated?because i have try above step for any qt installation error is generated.If any one have without error tar file for installation qt 4.8 using above step so its appreciated ..Thanks i will try.

                mrjjM Offline
                mrjjM Offline
                mrjj
                Lifetime Qt Champion
                wrote on last edited by
                #22

                @vaibs
                Hi
                sadly no. it seems too new include/compiler or something like that.

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                0
                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #23

                  It's not a problem of the tar ball. Qt 4.8.7 was released almost 8 years ago so 4.8.1 is even older. Compilers have changed in between.

                  Hence our recommendation from the start: use the version provided by your distribution. It has been compiled with the compiler you are currently using.

                  If the application uses API that have been obsoleted, then these are likely API that shouldn't have been used from the start. Qt uses deprecation to warn people about APIs that should not be used anymore and usually obsoletes them in major release change so an obsolete API should not be taken lightly.

                  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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                  • V Offline
                    V Offline
                    vaibs
                    wrote on last edited by
                    #24

                    Thank you all of you for your great response..
                    @mrjj I have compile and run code using qt 4.8.7 .its build without single error and run also..but after run application not show name of any widget.0_1555338071269_Screenshot from 2019-04-15 19-48-09.png

                    mrjjM 1 Reply Last reply
                    0
                    • V vaibs

                      Thank you all of you for your great response..
                      @mrjj I have compile and run code using qt 4.8.7 .its build without single error and run also..but after run application not show name of any widget.0_1555338071269_Screenshot from 2019-04-15 19-48-09.png

                      mrjjM Offline
                      mrjjM Offline
                      mrjj
                      Lifetime Qt Champion
                      wrote on last edited by
                      #25

                      @vaibs
                      Hi
                      Ok, that is pretty strange.
                      i assume normally around the green area, there would be
                      some buttons or similar.
                      I have this strange feeling it might be related to unity.
                      Would it be possible to try to run the exe on other linux ?

                      1 Reply Last reply
                      0
                      • V Offline
                        V Offline
                        vaibs
                        wrote on last edited by
                        #26

                        @mrjj Thank you .. Yes I have try..but i dont get any solution for this.. any another solution for display widget on gui after run?.I cant understand why this issue is generated..

                        mrjjM 1 Reply Last reply
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                        • V vaibs

                          @mrjj Thank you .. Yes I have try..but i dont get any solution for this.. any another solution for display widget on gui after run?.I cant understand why this issue is generated..

                          mrjjM Offline
                          mrjjM Offline
                          mrjj
                          Lifetime Qt Champion
                          wrote on last edited by
                          #27

                          @vaibs
                          Hi
                          Try to run some of the samples that come with Qt or
                          a new blank GUI project to see if that shows.
                          I have not seen anything like this before.

                          1 Reply Last reply
                          1
                          • V Offline
                            V Offline
                            vaibs
                            wrote on last edited by
                            #28

                            @mrjj Thank you so much for your reply..
                            Solved this problem..

                            aha_1980A 1 Reply Last reply
                            1
                            • V vaibs

                              @mrjj Thank you so much for your reply..
                              Solved this problem..

                              aha_1980A Offline
                              aha_1980A Offline
                              aha_1980
                              Lifetime Qt Champion
                              wrote on last edited by
                              #29

                              @vaibs would you be so kind and tell us, HOW you solved the problem?

                              And please mark this topic as SOLVED too.

                              Thanks!

                              Qt has to stay free or it will die.

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                              • A Offline
                                A Offline
                                Afflospark
                                Banned
                                wrote on last edited by
                                #30

                                Hello,
                                AS I read you want to install qt 4.8.1 First you have to download qt4.8.1 and place it on desktop.
                                Then you have to open the terminal in your Ubuntu and enter your path of the desktop.
                                Then you have to install some required dependencies
                                sudo apt-get install build-essential check install
                                After that, You have to extract that qt4.8.1 file using commands
                                ar -xvzf qt-everywhere-opensource-src-4.8.1.tar.gz
                                Then go to the extracted folder using
                                cd qt-everywhere-opensource-src-4.8.1
                                And then run Via follow these

                                • ./configure
                                  make
                                  sudo check install
                                  Then you can install it via apt
                                  sudo dpkg -i path/to/output.deb
                                  Change path/to/output.deb to the path of the created .deb file.

                                Hope this will help you.
                                Thanks

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                                • V Offline
                                  V Offline
                                  vaibs
                                  wrote on last edited by
                                  #31

                                  @Afflospark Thank you for reply.
                                  I follwed this step but while run "make" i got a many errors.I have upload that screenshot above.So i used qt 4.8.7 for compile and run application.

                                  mrjjM 1 Reply Last reply
                                  0
                                  • V vaibs

                                    @Afflospark Thank you for reply.
                                    I follwed this step but while run "make" i got a many errors.I have upload that screenshot above.So i used qt 4.8.7 for compile and run application.

                                    mrjjM Offline
                                    mrjjM Offline
                                    mrjj
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #32

                                    @vaibs
                                    Hi
                                    so what was wrong first ?
                                    Since there was nothing on the sceen ?
                                    and what did you do to make it work ?

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                                    0
                                    • V Offline
                                      V Offline
                                      vaibs
                                      wrote on last edited by
                                      #33

                                      @mrjj Wrong with environment ..
                                      go in etc/environment
                                      then add QT_X11_NO_MITSHM=1.
                                      then screen show all widget
                                      Thank you for your support..

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                                      3
                                      • mrjjM Offline
                                        mrjjM Offline
                                        mrjj
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #34

                                        @vaibs said in Can we install qt 4.8.1 in ubuntu 18.04?:

                                        QT_X11_NO_MITSHM

                                        Thank you for reporting back :)

                                        V 1 Reply Last reply
                                        0
                                        • mrjjM mrjj

                                          @vaibs said in Can we install qt 4.8.1 in ubuntu 18.04?:

                                          QT_X11_NO_MITSHM

                                          Thank you for reporting back :)

                                          V Offline
                                          V Offline
                                          vaibs
                                          wrote on last edited by
                                          #35

                                          @mrjj Thank you so much

                                          1 Reply Last reply
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