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Qmake configuration for building with arm-linux-g++ with imx6 linaro

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  • H Offline
    H Offline
    houmingc
    wrote on last edited by
    #3

    i did. below is my steps. Pls advice
    How does buildroot comes into picture??

    Below is the information on how I setup QT environment for building imx6 application.

    1. My environment

    lsb_release –a

    • Host: Ubuntu 12.04.5 LTS
    • Release: 12.04
    • Codename: precise
    • QT version

    .qmake -version

    • Qmake version 2.01a
    • Using Qt version 4.8.1 in /usr/lib/i386-linux-gnu

    1. Cross-compiler1 path(arm-linux-gnueabihf g++) for Qtcreator
      /opt/gcc-linaro-arm-linux-gnueabihf-4.7.2013-20130313_linux/bin/arm-linux-gnueabihf g++
      Cross-compiler2 path (arm-none-gnueabi-gcc-4.3.3 g++) for Qtcreator
      /opt/codesourcery/arm-2009q1/bin/arm-none-gnueabi-gcc-4.3.3

    2. Configuring qmake.conf to work with cross compiler

    qmake configuration for building with arm-none-linux-gnueabi-g++

    MAKEFILE_GENERATOR = UNIX
    CONFIG += incremental gdb_dwarf_index
    QMAKE_INCREMENTAL_STYLE = sublib

    #INCPATH +=
    /usr/arm-linux-gnueabi/include

    INCPATH
    #/opt/codesourcery/arm-none-linux-gnueabi/include
    /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/include

    include(../../common/g++.conf)
    include(../../common/gcc-base-unix.conf)
    include(../../common/linux.conf)
    include(../../common/qws.conf)

    #Compiler Flags to take advantage of the ARM architecture
    QMAKE_CFLAGS_RELEASE = -O3 -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp
    QMAKE_CXXFLAGS_RELEASE = -O3 -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp

    modifications to g++.conf

    QMAKE_CC = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-gcc
    QMAKE_CXX = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-g++
    QMAKE_LINK = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-g++
    QMAKE_LINK_SHLIB = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-g++

    modifications to linux.conf

    QMAKE_AR = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-ar cqs
    QMAKE_OBJCOPY = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-objcopy
    QMAKE_STRIP = /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/arm-none-linux-gnueabi-strip

    load(qt_config)

    #-----------------------------------------------------------------------------

    #/home/common/Desktop/qt-opensource/qt-everywhere-opensource-src-4.7.3/mkspecs

    export DISPLAY=:0
    #export QT_QWS_FONTDIR=/opt/

    1. Build and install
      $ make –j 4
      $ sudo make install

    2. Configure Compiler
      Build & Run ->Compilers and click Add-> GCC
      Select compiler path:
      opt/gcc-linaro-arm-linux-gnueabihf-4.7.2013-20130313_linux/bin/arm-linux-gnueabihf g++

    3. Configure Kit
      Kits and click add
      Call new kit sabrelite
      • Name: ARM g++
      • Device type: Generic Linux Device
      • Sysroot: opt/gcc-linaro-arm-linux-gnueabihf-4.7.2013-20130313_linux/bin/arm-linux-gnueabihf g++
      • Compiler: arm-linux-gnueabihf g++
      • Qt version: Qt 5.3.0 GCC 32 bit
      • Qt mkspec: leave empty

    4. Build Qt Application
      Create new project (console)
      Edit project (.pro) file
      Target.path =/home/root
      INSTALL =target

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

      Which qmake are you using ? The one from your system Qt or the one you cross-built ?

      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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      • H Offline
        H Offline
        houmingc
        wrote on last edited by
        #5

        qmake on pc for the system. qmake amendment as above for the target, of course??
        you did not answer first question. Can you write more for me to understand your thought, thought process, to absorb some of your know-how

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        0
        • H Offline
          H Offline
          houmingc
          wrote on last edited by
          #6

          It is not working on my target. Pls advice

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          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #7

            There's something absolutely not clear about your setup, there's Qt 5.3.0 Qt 4.8.1 and 4.7.3 mentioned in there.

            Which version of Qt do you want to use on your target, which one did you install on your system ? How did you install 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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            0
            • H Offline
              H Offline
              houmingc
              wrote on last edited by
              #8

              Hi

              I will announced my steps in another day, they are proven working until i put the image into target.

              I did succeed putting the image into target. But in the target, when i touch my dialog boxes. it is removed/deleted reviewing the background. What did i done wrongly. do i need Tslib to be installed to enable touchscreen.

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              0
              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #9

                I can't answer that, I don't know your software or how it is supposed to run

                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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                • H Offline
                  H Offline
                  houmingc
                  wrote on last edited by
                  #10

                  My video has been published at http://youtu.be/LIgq7m1fU5A. Please kindly take a look. And what information i need to discosed

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                  • H Offline
                    H Offline
                    houmingc
                    wrote on last edited by
                    #11

                    Below is my build process
                    Building and setting up QT environment for IMX 6

                    1. Set cross compile path

                    export PATH=$PATH:/opt/freescale/usr/local/gcc-4.6.2-glibc-2.13-linaro-multilib-2011.12/fsl-linaro-toolchain/bin/

                    arm-none-linux-gnueabi-gcc -v

                    You will see “gcc version 4.6.2 20110630 (prerelease) (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20)” at last line
                    2. In your qt-everywhere-opensource-src-4.7.4
                    Modify mkspecs/qws/linux-arm-g++/qmake.conf
                    QMAKE_CC = arm-none-linux-gnueabi-gcc
                    QMAKE_CXX = arm-none-linux-gnueabi-g++
                    QMAKE_LINK = arm-none-linux-gnueabi-g++
                    QMAKE_LINK_SHLIB = arm-none-linux-gnueabi-g++
                    QMAKE_AR = arm-none-linux-gnueabi-ar cqs
                    QMAKE_OBJCOPY = arm-none-linux-gnueabi-objcopy
                    QMAKE_STRIP = arm-none-linux-gnueabi-strip
                    3. In your qt-everywhere-opensource-src-4.7.4

                    ./configure -embedded arm -qt-zlib -qt-libpng -qt-gif -qt-libtiff -qt-libmng -qt-libjpeg -qt-freetype -no-openssl -static -prefix /media/jt_disk2/QT

                    “/media/jt_disk2/QT” is my QT install path
                    4. make
                    5. make install
                    Building your code to target board

                    1. Set environment variable

                    export QTDIR=/media/jt_disk2/QT/

                    export PATH=$QTDIR/bin:$PATH

                    export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

                    qmake -version

                    You will see QT version and QT in your install path
                    2. In your code dir

                    qmake -project

                    qmake

                    make

                    1. Copy binary file to target board
                    2. Copy ${QT install}/lib/fonts to target board's /usr/lib/
                    3. export QT_QWS_FONTDIR=/usr/lib/fonts
                    4. Run QT binary file

                    ./Your_QT -qws

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

                      Before anything else, if you're not tied to that particularly old version of Qt you should first update to 4.8.6

                      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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