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Configure QtCreator in RPi3

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compile-error
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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #4

    I'd check the RPi3 mkspec and change it there.

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    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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    • Pavel_47P Offline
      Pavel_47P Offline
      Pavel_47
      wrote on last edited by
      #5

      What do you mean saying "change it there". After all, when I launch project compiling, it is local Makefile (i.e. in the QtCreator project directory) that is used for compilation.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #6

        Qt's various platforms configuration are stored in what is call a mkspec. These files contains the set of compiler and linker options to use. Hence go to that folder, more specifically the one called devices in which you will find the RPi3 specific mkspec.

        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_47P Offline
          Pavel_47P Offline
          Pavel_47
          wrote on last edited by
          #7

          Have you any idea where can I find this mkspec.

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #8

            Under the mkspecs folder in your Qt installation.

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            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

            Pavel_47P 1 Reply Last reply
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            • SGaistS SGaist

              Under the mkspecs folder in your Qt installation.

              Pavel_47P Offline
              Pavel_47P Offline
              Pavel_47
              wrote on last edited by
              #9

              @SGaist
              I installed Qt quite a while ago and don't remember how I proceeded at that time. I can identify QtCreator location using which qtcreator, but for framework it doesn't work. Do you have any idea how to find it ?
              Thanks.

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #10

                Go to the preferences -> build and run -> Qt Versions.

                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_47P Offline
                  Pavel_47P Offline
                  Pavel_47
                  wrote on last edited by
                  #11

                  There is no build and run in preferences.

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #12

                    It's Build & Run, but some stuff has changed, so depending on your Qt Creator version, it's under Kits.

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                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                    • Pavel_47P Offline
                      Pavel_47P Offline
                      Pavel_47
                      wrote on last edited by
                      #13

                      Well, I'm not sure I understood you correctly.
                      I've found QtCreator in Programming section of Application menu.
                      But neither section in Application menu mentions Qt framework itself.
                      The location of QtCreator executive I can check with
                      "which qtcreator" command.
                      It's located in /usr/bin. But there is no any folder named mkspec.

                      aha_1980A 1 Reply Last reply
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                      • Pavel_47P Pavel_47

                        Well, I'm not sure I understood you correctly.
                        I've found QtCreator in Programming section of Application menu.
                        But neither section in Application menu mentions Qt framework itself.
                        The location of QtCreator executive I can check with
                        "which qtcreator" command.
                        It's located in /usr/bin. But there is no any folder named mkspec.

                        aha_1980A Offline
                        aha_1980A Offline
                        aha_1980
                        Lifetime Qt Champion
                        wrote on last edited by
                        #14

                        @Pavel_47

                        Please start Qt Creator, go to menu Tools > Options > Kits (or Build & Run if you have an older Qt Creator version) > Qt Versions:

                        0_1557336564505_edf2577a-8c2b-4cd1-a284-4d7ba90a3215-grafik.png

                        There you have all your Qt versions listed and the path to qmake

                        Regards

                        Qt has to stay free or it will die.

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                        • Pavel_47P Offline
                          Pavel_47P Offline
                          Pavel_47
                          wrote on last edited by
                          #15

                          Yes, I've located it. Thanks.
                          What about -lGLESv2 option ? I didn't find any makefile in mkspecs directory.
                          Only qconfig.pri, qfeatures.pri, qmodule.pri. Should I check any of them for -lGLESv2 option ?

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

                            No, it's in the devices subfolder. The one dedicated to RPi3.

                            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_47P Offline
                              Pavel_47P Offline
                              Pavel_47
                              wrote on last edited by
                              #17

                              There are 4 subfolders in devices subfolder that are in relation with RPi:

                              • linux-rasp-pi2-g++
                              • linux-rasp-pi-g++
                              • linux-rpi3-g++
                              • linux-rasp-vc-g++
                                Inside of all these subfolder there are filses qmake.conf
                                In every there are settings:
                              QMAKE_LIBS_EGL = -lEGL -lGLESv2
                              QMAKE_LIBS_OPENVG = -lEGL -lOpenVG -lGLESv2
                              

                              I replaced GLESv2 with brcmGLESv2 in all qmake.conf files (i.e. in 4 folders).
                              Didn't help: when compiling project in QtCreator, I still see the same error message:
                              cannot find -lGLESv2

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

                                Might be a silly question but are you sure you are modifying the one from your self-built 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_47P Offline
                                  Pavel_47P Offline
                                  Pavel_47
                                  wrote on last edited by
                                  #19

                                  I modify those, found in the location, specified in QtCreator: Tools->Options->Kits->Qt Versions

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                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #20

                                    Did you check what your Kits are using as mkspecs ?

                                    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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