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How to run QT application on X-window of the embedded platform

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  • S Offline
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    Serg
    wrote on last edited by
    #8

    You should use qmake for target platform (that runs on x86, but produces output for arm), not native qmake.

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      uniquez
      wrote on last edited by
      #9

      Sorry to reply later beacause I was busy for other things these days.

      [quote author="Serg" date="1337231425"]You should use qmake for target platform (that runs on x86, but produces output for arm), not native qmake.[/quote]

      I think "qmake" is a tool used for generating Makefile, so it runs on x86, and produces output(Makefile) for X86 not for arm. Is that true?

      By the way, I find an other way to get qt-lib for X11 based arm. I link the system with internet, and use “apt-get instal libqt4-dev”, then the ubuntu can download qt-lib for arm. However, when I run a QT test-program(compiled linking downloaded QT-lib) on my system, the program can output a window, but have an error:"undefined symbol: _ZN7QWidget8qwsEventEP8QWSEvent". Can you tell me what wrong about this way to get QT-lib and run QT-program.

      Thanks for your warm-heart again!!!

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        Serg
        wrote on last edited by
        #10

        bq. I think “qmake” is a tool used for generating Makefile, so it runs on x86, and produces output(Makefile) for X86 not for arm. Is that true?

        The qmake tool requires a platform and compiler specific qmake.conf file describing the various default values, to generate the appropriate Makefiles. You should use correct qmake.conf file.

        bq. However, when I run a QT test-program(compiled linking downloaded QT-lib) on my system, the program can output a window, but have an error:“undefined symbol: _ZN7QWidget8qwsEventEP8QWSEvent”. Can you tell me what wrong about this way to get QT-lib and run QT-program.

        Looks like your program uses QWidget::qwsEvent(), that is not available in non-embedded linux environments. "Check this thread":http://qt-project.org/forums/viewthread/3043 .

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          uniquez
          wrote on last edited by
          #11

          The second question.
          My test program can run on Ubuntu on my PC, which is non-embendded linux environment too. And I am sure my test program (just a MainWindow) not using QWidget::qwsEvent()。

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            uniquez
            wrote on last edited by
            #12

            The first question.
            When I use "./configure -xplatform linux-arm-gnueabi-g++ "to configure, there is no error about "/home/xushaofan/qt_4.8.1_pkg/qt-x11-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting “)”)", but it generate an error:

            "Basic XLib functionality test failed!
            You might need to modify the include and library search paths by editing
            QMAKE_INCDIR_X11 and QMAKE_LIBDIR_X11 in /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/mkspecs/linux-arm-gnueabi-g++."

            I find the variables of QMAKE_INCDIR_X11 and QMAKE_LIBDIR_X11 is in the /mkspecs/common/linux.conf, and I change the variables to XLib's path， but this error remain.

            How to solve this problem?

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            • S Offline
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              Serg
              wrote on last edited by
              #13

              qt-everywhere-opensource-src-x.y.z/mkspecs directory used for (cross) compiling Qt for various targets.
              qt-everywhere-opensource-src-x.y.z/mkspecs/qws directory used for (cross) compiling Qt embedded for various targets.

              So, I checked "mkspecs directory":http://qt.gitorious.org/qt/qt/trees/4.8/mkspecs and found a mistake.

              bq. I’m not sure, but I think it will be correct: “./configure -platform arm-none-linux-gnueabi-g++”.

              Correct is: "./configure -platform linux-arm-gnueabi-g++".

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                uniquez
                wrote on last edited by
                #14

                Correct is: “./configure -platform linux-arm-gnueabi-g++”.

                But in /mkspecs directory, there is no folder of "linux-arm-gnueabi-g++",and my qt opensource's version is 4.8.1. So I just copied /mkspecs/qws/linux-arm-gnueabi-g++ to /mkspecs. I think what I did is not true, but I dont know how to get linux-arm-gnueabi-g++ in /mkspecs.

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                • S Offline
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                  Serg
                  wrote on last edited by
                  #15

                  About second question.
                  Your qt test program was built on arm system as a native program? Can you show ldd output?

                  bq. But in /mkspecs directory, there is no folder of “linux-arm-gnueabi-g++”,and my qt opensource’s version is 4.8.1. So I just copied /mkspecs/qws/linux-arm-gnueabi-g++ to /mkspecs. I think what I did is not true, but I dont know how to get linux-arm-gnueabi-g++ in /mkspecs.

                  Copy it from qt.gitorious, Are you checked the link "mkspecs directory":http://qt.gitorious.org/qt/qt/trees/4.8/mkspecs ?

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                    uniquez
                    wrote on last edited by
                    #16

                    My cross compiler is arm-none-linux-gnueabi-g++ not linux-arm-gnueabi-g++.

                    I copy the folder of linux-arm-gnueabi-g++ from qt.gitorious to /mkspecs, and I replace "linux-arm-gnueabi-g++" for "arm-none-linux-gnueabi-g++ ". Then I configure "./configure -platform linux-arm-gnueabi-g++",there is two errors:

                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/bin/qmake: 1: Syntax error: word unexpected (expecting ")")
                    Basic XLib functionality test failed!
                    You might need to modify the include and library search paths by editing
                    QMAKE_INCDIR_X11 and QMAKE_LIBDIR_X11 in /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/mkspecs/linux-arm-gnueabi-g++.

                    But if I configure "./configure -xplatform linux-arm-gnueabi-g++" after clean configure, there just an error:

                    Basic XLib functionality test failed!
                    You might need to modify the include and library search paths by editing
                    QMAKE_INCDIR_X11 and QMAKE_LIBDIR_X11 in /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/mkspecs/linux-arm-gnueabi-g++.

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                    • S Offline
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                      Serg
                      wrote on last edited by
                      #17

                      So, there are two ways:

                      1. Write your own mkspec for arm-none-linux-gnueabi-g++ compiler (or find in google). Then ./configure -arch arm -xplatform arm-none-linux-gnueabi-g++;
                      2. "sudo apt-get install g++-arm-linux-gnueabi" and try to use mkspec from qt.gitorius. Then ./configure -arch arm -xplatform linux-arm-gnueabi-g++.

                      bq. Basic XLib functionality test failed! You might need to modify the include and library search paths by editing QMAKE_INCDIR_X11 and QMAKE_LIBDIR_X11

                      You need to specify X11 include files and libraries, arm libs!

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                        uniquez
                        wrote on last edited by
                        #18

                        You need to specify X11 include files and libraries, arm libs!

                        ================================

                        I have specified X11 include files and libraries(for arm)' path by modifing linux.conf in /mkspecs/common, but the error remain. Is it right?

                        It is too later tonight, I will compile QT-lib following what you said tomorrow.
                        Anyway, thank you help me again and again.

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                          uniquez
                          wrote on last edited by
                          #19

                          By the way, the X11 include files and libraries are provided in filesytems by TI ezsdk.

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                            Serg
                            wrote on last edited by
                            #20

                            bq. I have specified X11 include files and libraries(for arm)’ path by modifing linux.conf in /mkspecs/common, but the error remain. Is it right?

                            I'm think it's right.

                            This error can be when libXext is missed.
                            Here is "Qt for X11 requirements":http://qt-project.org/doc/qt-4.8/requirements-x11.html. Ensure that you have all required libs.

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                              uniquez
                              wrote on last edited by
                              #21

                              One more question, when I configure my QT-lib compiling using "./configure -xplatform linux-arm-gnueabi-g++",
                              it outputs "You have not explicitly asked to use pkg-config and are cross-compiling.
                              pkg-config will not be used to automatically query cflag/lib parameters for
                              dependencies"
                              But when I use "./configure", there is no that message.

                              Although it is not en error, I think something is not configured right.

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                                Serg
                                wrote on last edited by
                                #22

                                Try it: ./configure -arch arm -xplatform linux-arm-gnueabi-g++ -force-pkg-config

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                                  uniquez
                                  wrote on last edited by
                                  #23

                                  After I modified "QMAKE_LIBS_X11 = -lXext -lX11 -lm -lxcb -lpthread-stubs -lXau -lXdmcp " in /mkspecs/common/linux.conf,
                                  now I can configure successfully by using "./configure -arch arm -xplatform linux-arm-gnueabi-g++ -force-pkg-config".

                                  However, after I "make", there are some errors:

                                  arm-none-linux-gnueabi-g++ -Wl,-rpath-link,/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -Wl,-O1 -Wl,-rpath,/usr/local/Trolltech/Qt-4.8.1/lib -Wl,-rpath,/usr/local/Trolltech/Qt-4.8.1/lib -o rsslisting .obj/release-shared/main.o .obj/release-shared/rsslisting.o .obj/release-shared/moc_rsslisting.o -L/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -lQtXml -L/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -lQtGui -L/opt/ezsdk_5_03_01_15/linux-devkit/arm-none-linux-gnueabi/usr/lib -lQtNetwork -lQtCore -lpthread
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libXrender.so.1, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libXext.so.6, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libX11.so.6, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libxcb.so.1, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libpthread-stubs.so.0, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libXau.so.6, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /opt/CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: warning: libXdmcp.so.6, needed by /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so, not found (try using -rpath or -rpath-link)
                                  /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetTile' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XReparentWindow'
                                  /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetIMValues' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XConvertSelection'
                                  /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetFillStyle' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XUnsetICFocus'
                                  /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to `XQueryColors'

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                                    uniquez
                                    wrote on last edited by
                                    #24

                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XTranslateCoordinates' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XDeleteProperty'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetWMColormapWindows' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XVisualIDFromVisual'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetICFocus' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XMaxRequestSize'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetErrorDatabaseText' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XUngrabButton'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XOpenIM' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetInputFocus'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XCheckTypedEvent' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XDefineCursor'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetFunction' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XKillClient'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRenderCreatePicture' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XVaCreateNestedList'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetFontPath' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XShapeCombineRegion'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetClipRectangles' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetWindowAttributes'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRemoveFromSaveSet' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGrabButton'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetKeyboardMapping' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XFreePixmap'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XLoadQueryFont' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XFillPolygon'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XUnionRectWithRegion' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSyncDestroyCounter'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XmbTextPropertyToTextList' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRenderCreateCursor'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetSelectionOwner' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XCloseDisplay'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSync' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetAtomName'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XCheckIfEvent' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XPutImage'
                                    /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XDrawString16' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XListPixmapFormats'
                                    collect2: ld returned 1 exit status
                                    make[3]: *** [rsslisting] Error 1
                                    make[3]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples/xml/rsslisting' make[2]: *** [sub-rsslisting-make_default] Error 2 make[2]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples/xml'
                                    make[1]: *** [sub-xml-make_default] Error 2
                                    make[1]: Leaving directory `/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples'
                                    make: *** [sub-examples-make_default-ordered] Error 2

                                    Can you tell me how to eliminate these error?

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                                    • U Offline
                                      U Offline
                                      uniquez
                                      wrote on last edited by
                                      #25

                                      When I make again by configuring " ./configure -arch arm -xplatform arm-none-linux-gnueabi-g++ -release -force-pkg-config"
                                      There is an other error:

                                      arm-none-linux-gnueabi-g++ -Wl,-rpath-link,/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -Wl,-O1 -Wl,-rpath,/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/src/3rdparty/webkit/Source/lib -Wl,-rpath,/usr/local/Trolltech/Qt-4.8.1/lib -Wl,-rpath,/usr/local/Trolltech/Qt-4.8.1/lib -o tst_qdeclarativewebview .obj/release-shared/tst_qdeclarativewebview.o .obj/release-shared/qrc_tst_qdeclarativewebview.o -L/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -L/opt/ezsdk_5_03_01_15/linux-devkit/arm-none-linux-gnueabi/usr/lib -L/home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib -lQtDeclarative -lQtScript -lQtSvg -L/opt/ezsdk_5_03_01_15/linux-devkit/arm-none-linux-gnueabi/usr/lib -lQtSql -lQtXmlPatterns -lQtWebKit -lQtTest -lQtGui -lQtNetwork -lQtCore -lpthread -lXrender -lXext -lX11 -lm -lxcb -lpthread-stubs -lXau -lXdmcp
                                      /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtCore.so: undefined reference to QInotifyFileSystemWatcherEngine::create()' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtCore.so: undefined reference to clock_gettime'
                                      /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtCore.so: undefined reference to QDnotifyFileSystemWatcherEngine::create()' collect2: ld returned 1 exit status make[3]: *** [tst_qdeclarativewebview] Error 1 make[3]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/src/3rdparty/webkit/Source/WebKit/qt/tests/qdeclarativewebview'
                                      make[2]: *** [sub-qdeclarativewebview-make_default] Error 2

                                      there are many more "undefined reference to" variables, why?

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                                      • S Offline
                                        S Offline
                                        Serg
                                        wrote on last edited by
                                        #26

                                        Are you sure that path to arm X11 libraries is correct (in linux.conf QMAKE_LIBDIR_X11 and QMAKE_INCDIR_X11) and X11 version is X11R6? If it's true, then i can suppose that arm-none-linux-gnueabi-g++ and linux-arm-gnueabi-g++ have a different binary format and ld can't link it. If i'm right, you should use one compiler for X11 libs and Qt. It means that you should use linux-arm-gnueabi-g++ rather than arm-none-linux-gnueabi-g++, because it's compiler from Ubuntu repository and you are compiling for Ubuntu.

                                        But I didn't have any problems like this. So, I don't know what exactly you should do in this case :(

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                                          uniquez
                                          wrote on last edited by
                                          #27
                                          1. “sudo apt-get install g++-arm-linux-gnueabi” and try to use mkspec from qt.gitorius. Then ./configure -arch arm -xplatform linux-arm-gnueabi-g++.

                                          ===============================================
                                          Today I followed the second method to apt-get install g++-arm-linux-gnueabi and make my QT-lib,and those errors still exist.

                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XDefineCursor' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetFunction'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XKillClient' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRenderCreatePicture'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XVaCreateNestedList' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetFontPath'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XShapeCombineRegion' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSetClipRectangles'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to SmcOpenConnection' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetWindowAttributes'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRemoveFromSaveSet' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGrabButton'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetKeyboardMapping' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XFreePixmap'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XLoadQueryFont' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XFillPolygon'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to SmcSaveYourselfDone' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XUnionRectWithRegion'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSyncDestroyCounter' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XmbTextPropertyToTextList'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XRenderCreateCursor' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetSelectionOwner'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XCloseDisplay' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XSync'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XGetAtomName' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XCheckIfEvent'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XPutImage' /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XDrawString16'
                                          /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/lib/libQtGui.so: undefined reference to XListPixmapFormats' collect2: ld returned 1 exit status make[3]: *** [saxbookmarks] Error 1 make[3]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples/xml/saxbookmarks'
                                          make[2]: *** [sub-saxbookmarks-make_default] Error 2
                                          make[2]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples/xml' make[1]: *** [sub-xml-make_default] Error 2 make[1]: Leaving directory /home/xushaofan/qt_4.8.1_pkg/qt-everywhere-opensource-src-4.8.1/examples'
                                          make: *** [sub-examples-make_default-ordered] Error 2

                                          ==============================
                                          And I am sure my arm X11 libraries is correct. Because in /qt-everywhere-opensource-src-4.8.1/config.tests/x11/xlib, I use "arm-linux-gnueabi-g++ -o xlib xlib.cpp -I/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/include -L/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/lib -lXext -lX11 -lm -lxcb -lpthread-stubs -lXau -lXdmcp"
                                          and "arm-none-linux-gnueabi-g++ -o xlib xlib.cpp -I/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/include -L/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/lib -lXext -lX11 -lm -lxcb -lpthread-stubs -lXau -lXdmcp"
                                          to compile xlib. Both successfully.

                                          Bye the way, the X11 libraries' directory is under the /arm-none-linux-gnueabi/usr/lib in filesystem, so I think the X11 libraries is compiled by arm-none-linux-gnueabi. However, Whether I use "arm-none-linux-gnueabi-g++" or "linux-arm-gnueabi-g++" to make my QT-lib, those “ undefined reference to” error still exist.

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