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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
    #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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            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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                            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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                              • U Offline
                                U Offline
                                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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                                • U Offline
                                  U Offline
                                  uniquez
                                  wrote on last edited by
                                  #28

                                  [quote author="Serg" date="1337702523"]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 :([/quote]

                                  Sorry for reply later. Last Thursday, I had copiled QT-LIB for Ubuntu based DM8148 successfully.

                                  Above these errors, I made two mistakes about X11-LIB.

                                  1. I wrote my own mkspec for arm-none-linux-gnueabi-g++ compiler, and I named it "arm-none-linux-gnueabi-g++" not "linux-", so when I make, there is an error: /lib/libQtCore.so: undefined reference to `QDnotifyFileSystemWatcherEngine::create()’
                                    Because When creating the mkspec for a embedded target if the name of the directory does not match "linux-*" then the following build error will be seen.

                                  The resolution is :
                                  edit ./src/corelib/io/io.pri
                                  find linux-*:
                                  append your cross-toolchain's prefix after it

                                  eg:
                                  my toolchains's prefix is arm_xxxxx
                                  so....
                                  68 linux-|arm:{
                                  69 SOURCES +=
                                  70 io/qfilesystemwatcher_inotify.cpp
                                  71 io/qfilesystemwatcher_dnotify.cpp
                                  72
                                  73 HEADERS +=
                                  74 io/qfilesystemwatcher_inotify_p.h
                                  75 io/qfilesystemwatcher_dnotify_p.h
                                  76 }

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

                                  1. /lib/libQtCore.so: undefined reference to `clock_gettime’:
                                    append "-lrt" parameters after the "./configure" so that the compiler can find the define in librt.

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

                                  1. “/lib/libQtGui.so: undefined reference to” about X11-lib
                                    I modified QMAKE_LIBDIR_X11, QMAKE_INCDIR_X11 and QMAKE_LIBS_X11 in /mkspec/common/linux.conf to specify X11 include files and libraries, arm libs. However the Makefile, which qmake generated, did not include X11-LIB in the “LIBS”. So when I compile the demos or examples of QT, there are many of "undefined reference to" errors about X11-LIB, then I append "-lXmu -lXft -lXt -lXcursor -lXrandr -lXrender -lXv -lXdamage -lXcomposite -lxcb-damage -lxcb-composite -lxcb-randr -lxcb-xv -lxcb-xvmc -lxcb-xprint -lxcb-xtest -lxcb-xfixes -lxcb-xinerama -lxcb-xevie -lxcb-xf86dri -lxcb-shape -lxcb-shm -lxcb-sync -lxcb-render -lxcb-res -lxcb-screensaver -lxcb-dpms -lxcb-dri2 -lxcb-record -lxcb-glx -lXfixes -lXext -lX11-xcb -lX11 -lxcb -lXau -lXdmcp -lfontconfig -lfreetype -lpthread-stubs -lexpat -lm -lz -lstdc++ -lglib-2.0 -lSM -lICE -luuid " after "LIBS =" in demos and examples' Makefiles which qmake generated, and it can compile successfully.

                                  But I have not find why my qmake not generate above of X11-LIB in Makefile. I am sure that "linux.conf" is modified correctly.

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

                                  Anyway, I have transplanted QT-LIB to Ubuntu successfully, and I must thank you so much for your warm-heart and help me again and aigan!!! If there were no your guidance, I wound not complete it.

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                                  • S Offline
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                                    Serg
                                    wrote on last edited by
                                    #29

                                    So, now cross-compiler works fine? And your test-program is running correctly on arm system?

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                                    • U Offline
                                      U Offline
                                      uniquez
                                      wrote on last edited by
                                      #30

                                      My test-program works fine, besides two small questions:

                                      1. My .gif files dont display, while I am sure I have compiled libqgif.so in plugins/mageformats, and have put it in qt-lib directory of filesystem.

                                      2. My test-program can generate ico which I selected in Windows platform, but can not generate in Ubuntu platform。 libqico.so has been also in plugins/mageformats.

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                                        D Offline
                                        dreamerindia
                                        wrote on last edited by
                                        #31

                                        i tried to compile the QT with following command by following
                                        “http://forums.digi.com/support/forum/viewthread_thread,6858#20693”

                                        ./configure -confirm-license -embedded arm -xplatform qws/linux-arm-g++ -prefix /usr/local/QtEmbedded-4.4.3 -hostprefix /usr/local/DigiEL-5.6/x-tools/arm-cortex_a8-linux-gnueabi -qt-sql-sqlite -depths 15,16 -qt-kbd-usb -qt-mouse-tslib

                                        and i got this 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/qmax/Desktop/QT_Latest/qt-x11-opensource-src-4.5.3/mkspecs/qws/linux-arm-g++.

                                        I tried the following
                                        Try 1:

                                        sudo apt-get build-dep qt4-qmake (installed)

                                        Ref:http://www.qtforum.org/article/27401/debian-xlib-test-failed-after-configure.html

                                        Try 2:

                                        sudo apt-get build-dep  libxext-dev

                                        Ref:http://www.qtforum.org/article/27886/installing-qt4-problem-basic-xlib-functionality-test-failed.html

                                        Try 3:

                                        sudo apt-get install libx11-dev libxau-dev libxaw7-dev libxcb1-dev libxcomposite-dev libxcursor-dev libxdamage-dev libxdmcp-dev
sudo apt-get install libxext-dev libxfixes-dev libxfont-dev libxft-dev libxi-dev libxinerama-dev libxkbfile-dev libxmu-dev libxmuu-dev
sudo apt-get install libxpm-dev libxrandr-dev libxrender-dev libxres-dev libxss-dev libxt-dev libxtst-dev libxv-dev libxvmc-dev
sudo apt-get install libglib2.0-dev
sudo apt-get install libssl-dev
sudo apt-get install libgtk2.0-dev
sudo apt-get install libcups2-dev
sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev
sudo apt-get install libgstreamer0.10-dev

                                        Ref:http://qt-project.org/wiki/Compile_Qt_4.7_on_Ubuntu_10.10

                                        Try 4:

                                        sudo apt-get install ^libxcb.* libx11-xcb-dev libglu1-mesa-dev libxrender-dev -y

                                        Ref:http://qt-project.org/forums/viewthread/15858

                                        But nothing works…still same error…..

                                        did anyone got the solution

                                        ~Ravivarman~

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                                          Anonymous_1
                                          wrote on last edited by
                                          #32

                                          Hello Everyone , I am also facing a similar problem.
                                          I have a BeagleBone Black (Rev A 5c) running Angstrom linux.
                                          I have ubuntu 13.04 PC as host. I am trying to run a Qt UI application on Beaglebone which is connected to HDMI screen on which by default it shows Desktop Screen.
                                          First of All , I set up Qt -(4.8.5 )build environment for ARM on my ubuntu (Host).
                                          Then I transfered The Qt library to Beaglebone.
                                          I am able to cross compile applications for Beaglebone on Qtcreator .
                                          I tranfered the executable file to BeagleBone ,The console/terminal applications are running fine but when i Start the GUI application ,No window frame launches up inside the desktop as if app. do not start . I can just see desktop.I followed this tutorial to set up Qt-4.8.5(http://www.cloud-rocket.com/2013/07/building-qt-for-beaglebone).
                                          Someone PLease help.Your help will be appreciated.

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