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About raspberry pi cross compile ?

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raspberrycross compile
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    sfarbac
    wrote on 7 Mar 2015, 22:34 last edited by
    #5

    I mount raspberry pi root file system. This time, it's a different error as;

    /home/sefa/opt/gcc-4.7-linaro-rpi-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/4.7.2/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lGLESv2
    collect2: error: ld returned 1 exit status
    make: *** [opengles2] Error 1
    OpenGL disabled.
    The OpenGL ES 2.0 functionality test failed!
    You might need to modify the include and library search paths by editing
    QMAKE_INCDIR_OPENGL_ES2, QMAKE_LIBDIR_OPENGL_ES2 and QMAKE_LIBS_OPENGL_ES2 in
    /home/sefa/opt/qt5/qtbase/mkspecs/devices/linux-rasp-pi-g++.

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      SGaist
      Lifetime Qt Champion
      wrote on 7 Mar 2015, 22:40 last edited by
      #6

      Did you restart configuration from a clean state ?

      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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        sfarbac
        wrote on 7 Mar 2015, 23:08 last edited by
        #7

        Thank you for your interest.yes I restart from a clean state.

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          SGaist
          Lifetime Qt Champion
          wrote on 7 Mar 2015, 23:20 last edited by
          #8

          You modified the raspberry mkspec, you should revert them.

          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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            sfarbac
            wrote on 7 Mar 2015, 23:26 last edited by
            #9

            How can I revert them ?

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              SGaist
              Lifetime Qt Champion
              wrote on 7 Mar 2015, 23:27 last edited by
              #10

              If you cloned the sources just git checkout. Otherwise extract the file from the archive and replace it

              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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                sfarbac
                wrote on 8 Mar 2015, 00:01 last edited by
                #11

                I checkout git and same problem continous.

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                  SGaist
                  Lifetime Qt Champion
                  wrote on 8 Mar 2015, 00:05 last edited by
                  #12

                  The question is the same as before did you correctly cleanup before restarting configure ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                  S 1 Reply Last reply 8 Mar 2015, 03:48
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                  • S SGaist
                    8 Mar 2015, 00:05

                    The question is the same as before did you correctly cleanup before restarting configure ?

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                    sfarbac
                    wrote on 8 Mar 2015, 03:48 last edited by sfarbac 3 Aug 2015, 04:18
                    #13

                    @SGaist Thank you. I did all the steps from the beginning and the problem was solved. Problem, turn off the computer after completing mount step. I need to do again mount after computer shuts down. I learned it because of you.I have some questions but it can be little silly questions but I really did not understand. why we use the sd card? After the umount step, SD card boot partition has occurred. Then what do we do with this SD card?
                    Another one, after umount step , does not look anything in the /mnt/rasp-pi-rootfs. is this a normal situation?

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                      SGaist
                      Lifetime Qt Champion
                      wrote on 8 Mar 2015, 15:19 last edited by
                      #14

                      That SD card contains the root file system where all the needed libraries/header can be find to build Qt and the applications. You could also copy the content of that file system on your computer but you would then need to copy again the Qt libraries on the SD Card once you built/installed them.

                      When you mount a drive on a folder, you'll be able to access the content of that drive. Once you unmount it, you'll see again what was in that folder. In your case it's empty. So nothing to worry about !

                      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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                        sfarbac
                        wrote on 8 Mar 2015, 23:42 last edited by
                        #15

                        Thanks for information. Now I'm trying compile and run a hello world project. But I could not. In the qt version tab, there is an exclamation mark before the kit I added. İt say at bottom of the page Qt version is not properly installed. I use qt 5.4 version. In that page it looks here Qt 5.5.0 (qt5pi). When I compiled project, fails in the following way

                        Cannot read /mnt/rasp-pi-rootfs2/usr/local/qt5pi/mkspecs/devices/linux-rasp-pi-g++/qmake.conf: No such file or directory
                        Could not read qmake configuration file /mnt/rasp-pi-rootfs2/usr/local/qt5pi/mkspecs/devices/linux-rasp-pi-g++/qmake.conf.
                        Could not find qmake configuration file default.
                        Error while parsing file /home/sefa/Masaüstü/Qt projects/AAARASPBERRY/qt5-raspberrypi-example-qt5-raspberrypi-example/helloworld.pro. Giving up.
                        Cannot read /home/sefa/rsp/gcc-4.7-linaro-rpi-gnueabihf/bin/arm-linux-gnueabihf-gdb/qmake.conf: No such file or directory
                        Could not read qmake configuration file /home/sefa/rsp/gcc-4.7-linaro-rpi-gnueabihf/bin/arm-linux-gnueabihf-gdb/qmake.conf.
                        Error while parsing file /home/sefa/Masaüstü/Qt projects/AAARASPBERRY/qt5-raspberrypi-example-qt5-raspberrypi-example/helloworld.pro. Giving up.

                        How can I fix it.

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                          sfarbac
                          wrote on 9 Mar 2015, 00:02 last edited by
                          #16

                          We need to show qmake which in the qt5pi folder. But mnt/rasp-pi-rootfs is empty on my pc. So I showed qmake from sdcart. This may be caused by ?

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                            SGaist
                            Lifetime Qt Champion
                            wrote on 9 Mar 2015, 22:19 last edited by
                            #17

                            Just mount the Pi root file system before starting to work on your project

                            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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