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| {{PageHeader|VAR-SOM-MX6 - QT5 Hello World}} {{DocImage|category1=VAR-SOM-MX6|category2=Yocto}} __toc__ | | {{PageHeader|VAR-SOM-MX6 - QT5 Hello World}} {{DocImage|category1=VAR-SOM-MX6|category2=Yocto}} __toc__ |
| = Host installation =
| | Please follow the QT creator guide: https://variwiki.com/index.php?title=File:YoctoQtCreator.pdf<br> |
| All development tools will be generated from yocto build and will be compatible with both commercial and open-source QT licenses.<br>
| | In addition:<br> |
| Variscite suggestes reading the below page to have a better understanding of open-source license benefits and obligations:<br>
| | https://wiki.qt.io/Basic_Qt_Programming_Tutorial<br> |
| https://www.qt.io/qt-licensing-terms<br> | | https://wiki.qt.io <br> |
| Only one requirement: on the host that will be used to cross compile QT applications, you need to install QtCreator.<br>
| | http://doc.qt.io/qtcreator/creator-tutorials.html<br> |
| In order to use QT 5.5, QT creator version must be 3.1.1 or above.<br> | | http://doc.qt.io/qt-5/qtexamplesandtutorials.html<br> |
| If you are using Ubuntu 15.04 or above, you can just install it from distribution repository via "sudo apt-get install qtcreator".<br>
| |
| If you are using Ubuntu 14.10 or below, please execute following instructions:<br>
| |
| <pre>
| |
| $ sudo add-apt-repository ppa:ubuntu-sdk-team/ppa
| |
| $ sudo apt-get update
| |
| $ sudo apt-get upgrade
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| $ sudo apt-get install qtcreator
| |
| </pre>
| |
| | |
| = Build and install tools =
| |
| <pre>
| |
| $ cd ~/var-som-mx6-yocto-fido/
| |
| $ . ./setup-environment build_x11
| |
| </pre> | |
| edit local.conf and add to the bottom:
| |
| <pre>
| |
| #
| |
| EXTRA_IMAGE_FEATURES = "debug-tweaks tools-debug eclipse-debug"
| |
| </pre>
| |
| Build:
| |
| <pre> | |
| $ bitbake meta-toolchain-qt5
| |
| </pre>
| |
| Install:
| |
| <pre>
| |
| $ tmp/deploy/sdk/poky-glibc-x86_64-meta-toolchain-qt5-cortexa9hf-vfp-neon-toolchain-1.8.sh
| |
| Keep the default install directory /opt/poky/1.8
| |
| </pre> | |
| | |
| = sample application =
| |
| <pre>
| |
| $ cd ~/var-som-mx6-yocto-fido/
| |
| $ mkdir qtapps
| |
| $ cd qtapps
| |
| $ cp -a ../build_x11/tmp/work/cortexa9hf-vfp-neon-mx6qdl-poky-linux-gnueabi/qtbase/5.4.2+gitAUTOINC+2cb17c1fb9-r0/git/examples/opengl/hellowindow/ ./
| |
| $ cd hellowindow
| |
| $ source /opt/poky/1.8/environment-setup-cortexa9hf-vfp-neon-poky-linux-gnueabi
| |
| </pre> | |
| | |
| Build the QT application:
| |
| <pre>
| |
| $ qmake
| |
| $ make clean
| |
| $ make
| |
| </pre>
| |
| <pre>
| |
| copy the hellowindow to your target and run it
| |
| export DISPLAY=:0.0
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| ./hellowindow --platform xcb
| |
| </pre>
| |