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| | | {{PageHeader|VAR-SOM-MX6 - QT5 Hello World}} {{DocImage|category1=VAR-SOM-MX6|category2=Yocto}} __toc__ |
| How to compile an application with QT
| | Please follow the QT creator guide: https://variwiki.com/index.php?title=File:YoctoQtCreator.pdf<br> |
| | | In addition:<br> |
| Edit
| | https://wiki.qt.io/Basic_Qt_Programming_Tutorial<br> |
| Delete post
| | https://wiki.qt.io <br> |
| Report this post
| | http://doc.qt.io/qtcreator/creator-tutorials.html<br> |
| Information
| | http://doc.qt.io/qt-5/qtexamplesandtutorials.html<br> |
| Quote
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| Postby Ron.D » Tue Jan 20, 2015 11:34 am
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| A simple cookbook to show how to compile an application with QT.
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| Will use one of the sample application as example.
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| 1. Build tools
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| $ cd ~/var-som-mx6-daisy-v6/
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| $ . ./setup-environment build_x11
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| edit local.conf and add to the bottom:
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| #
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| EXTRA_IMAGE_FEATURES = "debug-tweaks tools-debug eclipse-debug"
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| Fix a bug due to branch removal in QT git.
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| gedit ../sources/meta-qt5/recipes-qt/qt5/qtsystems_git.bb
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| Change:
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| #QT_MODULE_BRANCH = "5.3"
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| QT_MODULE_BRANCH = ""
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| $ bitbake meta-toolchain-qt5
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| 2. install tools
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| tmp/deploy/sdk/poky-eglibc-x86_64-meta-toolchain-qt5-cortexa9hf-vfp-neon-toolchain-1.6.1.sh
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| Keep the default install directory /opt/poky/1.6.1
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| 3. sample application
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| $ cd ~/var-som-mx6-daisy-v6/
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| $ mkdir qtapps
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| $ cd qtapps
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| $ cp -a ../build_var/tmp/work/x86_64-linux/qtbase-native/5.2.1-r0/qtbase-opensource-src-5.2.1/examples/opengl/hellowindow ./
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| $ cd hellowindow
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| $ export PATH=/opt/poky/1.6.1/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi:$PATH
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| $ export PATH=/opt/poky/1.6.1/sysroots/x86_64-pokysdk-linux/usr/bin/qt5:$PATH
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| Create new file qmake.conf:
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| #
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| CROSS_COMPILE = arm-poky-linux-gnueabi-
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| ROOTFS = /opt/poky/1.6.1/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi
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| #
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| QMAKE_CC = $CROSS_COMPILE-gcc
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| QMAKE_CXX = $CROSS_COMPILE-g++
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| QMAKE_LINK = $CROSS_COMPILE-g++
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| QMAKE_LINK_SHLIB = $CROSS_COMPILE-g++
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| QMAKE_AR = $CROSS_COMPILE-ar cr
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| QMAKE_OBJCOPY = $CROSS_COMPILE-objcopy
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| QMAKE_STRIP = $CROSS_COMPILE-strip
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| #
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| QMAKE_LFLAGS_RELEASE = -Wl,-O1,-rpath $ROOTFS/usr/lib
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| #
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| QMAKE_INCDIR = $ROOTFS/usr/include
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| QMAKE_LIBDIR = $ROOTFS/usr/lib
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| QMAKE_INCDIR_X11 = $ROOTFS/usr/include
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| QMAKE_LIBDIR_X11 = $ROOTFS/usr/lib
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| QMAKE_INCDIR_OPENGL = $ROOTFS/usr/include
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| QMAKE_LIBDIR_OPENGL = $ROOTFS/usr/lib
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| #
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| $ qmake
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| edit the genreated Makefile and insert in the top
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| #
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| CROSS_COMPILE = arm-poky-linux-gnueabi
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| ROOTFS = /opt/poky/1.6.1/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi
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| #
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| OE_QMAKE_CC = $(CROSS_COMPILE)-gcc
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| OE_QMAKE_CXX = $(CROSS_COMPILE)-g++
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| OE_QMAKE_LINK = $(CROSS_COMPILE)-g++
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| OE_QMAKE_LINK_SHLIB = $(CROSS_COMPILE)-g++
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| OE_QMAKE_AR = $(CROSS_COMPILE)-ar cr
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| OE_QMAKE_OBJCOPY = $(CROSS_COMPILE)-objcopy
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| OE_QMAKE_STRIP = $(CROSS_COMPILE)-strip
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| #
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| $ make clean
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| $ make
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| copy the hellowindow to your target and run it
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| export DISPLAY=:0.0
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| ./hellowindow --platform eglfs
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