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QT50-Snapshot on Raspberry Pi

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

    You also have this "guide":http://qt-project.org/wiki/RaspberryPi_Beginners_guide

    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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    • D Offline
      D Offline
      DarkRidder
      wrote on last edited by
      #5

      Tryied to do it manuall and with the script. The script can't get the gcc-4.7-linaro, as it comes corrupted (" Saving to: ‘gcc-4.7-linaro-rpi-gnueabihf.tbz’

      100%[======================================>] 1.445 --.-K/s in 0s

      2014-10-24 22:49:41 (103 MB/s) - ‘gcc-4.7-linaro-rpi-gnueabihf.tbz’ saved [1445/1445]

      bzip2: (stdin) is not a bzip2 file.
      tar: Child returned status 2
      tar: Error is not recoverable: exiting now
      Error extracting cross compilation tool "), and manuall I can't get the right gcc-4.7-linaro, and after searching for it on google, I found one that returns this error:
      "/home/roque/opt/gcc-4.7-linaro-rpi-gnueabihf/bin/arm-linux-gnueabihf-g++ --sysroot=/mnt/rasp-pi-rootfs -o libtest.so -shared -Wl,-Bsymbolic-functions -fPIC bsymbolic_functions.c
      bsymbolic_functions.c:2:2: error: #error "Symbolic function binding on this architecture may be broken, disabling it (see QTBUG-36129)."
      #error "Symbolic function binding on this architecture may be broken, disabling it (see QTBUG-36129)."
      ^
      Symbolic function binding disabled.
      -reduce-relocations was requested but this compiler does not support it
      Re-run configure with -v for more information
      "

      Also, I can't set ./configure properly because of the above error and lastly, the /qtjsbackend folder does not exist on the git cloned repo.

      Sorry for all the amount of information, all of a sudden, but these are the errors I got. I am doing this on a Ubuntu 64-bit 14.04, and I installed ia32-libs. SGaist, I think you are the only one who can help me at this point. What are my alternatives?

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

        Are you sure the download is valid ?

        Anyway, look a bit further down the wiki, you'll see that they recommend the cross-compiler from http://gitorious.org/cross-compile-tools/ which, by the way, is more recent

        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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        • D Offline
          D Offline
          DarkRidder
          wrote on last edited by
          #7

          Still not working SGaist :( Here is a printscreen that might help!

          http://i.imgur.com/8AhPVQP.png

          Thank you very much for the support!

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

            Remove the -reduce-relocations from the options like suggested, it should continue after that

            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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            • D Offline
              D Offline
              DarkRidder
              wrote on last edited by
              #9

              That sorted out right, but then, another error and this one I could not fix:
              While making it, got this error:
              http://i.imgur.com/WY4nyte.png

              I tried to ignore it, but on the install got this one:
              http://i.imgur.com/Zejtzww.png

              Any advice on this?

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

                Run make without -j to get the error

                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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                • D Offline
                  D Offline
                  DarkRidder
                  wrote on last edited by
                  #11

                  Same:

                  http://i.imgur.com/BmyMPEv.png

                  [EDIT]: I have run just "make" to get to that error.

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

                    It makes it more readable and ensures that you don't have several errors in parallel.

                    Anyway, I wasn't hit by that one, however, replacing DISPMANX_TRANSFORM_T by VC_IMAGE_TRANSFORM_T should be enough in that case

                    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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                    • D Offline
                      D Offline
                      DarkRidder
                      wrote on last edited by
                      #13

                      THank you, all sorted out right now I think! Now doing dd to the sdcard. After I plug it in RPi, I assume that qt is all set up, so if I run qt on terminal it will recognize it, right?

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #14

                        What do you mean by run Qt on terminal ?

                        Since you cross-compiled Qt, you should start Qt Creator, Go to the Preferences, in Build and Run add your newly built Qt, make a kit using it. Add a Generic Device in devices and connect it to the Rasberry Pi.

                        Then create a default application that you'll configure with your Raspberry specific Kit, build, run and enjoy !

                        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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                        • D Offline
                          D Offline
                          DarkRidder
                          wrote on last edited by
                          #15

                          Ok, but I need to compile a program that makes use of Qt to run in RaspberryPi, how can I do that?

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

                            That's what the last paragraph describes, just start a new default project, select your Raspberry Kit, hit the run button which will trigger a build and start the application on the Pi (if you correctly add the device in the preferences)

                            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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                            • D Offline
                              D Offline
                              DarkRidder
                              wrote on last edited by
                              #17

                              ok, so first things first, How do I do all that? What manuals can I read? I am using Ubuntu (and sorry for my noobish knowledge on this, going for Qt for the first time, and it's not being an easy ride! ).

                              EDIT: I don't have any Qt environment set-up!

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

                                You don't have Qt Creator installed ? Then you should go and download the Linux package and install it.

                                Then go through Qt's documentation/tutorials/examples

                                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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                                • D Offline
                                  D Offline
                                  DarkRidder
                                  wrote on last edited by
                                  #19

                                  SGaist, afte rall, there was something wrong with qmake.

                                  http://i.imgur.com/uZcPyoQ.png

                                  Suggestions? I tried again sudo make install on qtbase folder, but reported this:

                                  "
                                  ntConfigVersion.cmake /mnt/rasp-pi-rootfs/usr/local/qt5pi/lib/cmake/Qt5Concurrent/
                                  make[2]: Leaving directory /home/roque/opt/qt5/qtbase/src/concurrent' cd gui/ && ( test -e Makefile || /home/roque/opt/qt5/qtbase/bin/qmake /home/roque/opt/qt5/qtbase/src/gui/gui.pro -o Makefile ) && make -f Makefile install make[2]: Entering directory /home/roque/opt/qt5/qtbase/src/gui'
                                  make[2]: *** No rule to make target /mnt/rasp-pi-rootfs/opt/vc/include/GLES2/gl2.h', needed by .obj/qaccessible.o'. Stop.
                                  make[2]: Leaving directory /home/roque/opt/qt5/qtbase/src/gui' make[1]: *** [sub-gui-install_subtargets] Error 2 make[1]: Leaving directory /home/roque/opt/qt5/qtbase/src'
                                  make: *** [sub-src-install_subtargets] Error 2
                                  roque@Roque-Ubuntu:~/opt/qt5/qtbase$ sudo -e Makefile || /home/roque/opt/qt5/qtbase/bin/qmake /home/roque/opt/qt5/qtbase/src/gui/gui.pro -o Makefile
                                  sudo: Makefile unchanged
                                  roque@Roque-Ubuntu:~/opt/qt5/qtbase$ sudo -e Makefile || /home/roque/opt/qt5/qtbase/bin/qmake /home/roque/opt/qt5/qtbase/src/gui/gui.pro -o Makefile
                                  sudo: Makefile unchanged
                                  "

                                  [EDIT] Also, error output while trying to build:
                                  "Project ERROR: Unknown module(s) in QT: quick
                                  22:56:03: The process "/usr/local/qt5pi/bin/qmake" exited with code 3.
                                  Error while building/deploying project helloworld (kit: Raspberry Pi)
                                  When executing step "qmake"
                                  22:56:03: Elapsed time: 00:00."

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

                                    Did you mount your Raspberry Pi fs ?

                                    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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