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This article describes how to configure a Qt Creator development environment on Linux to cross compile Qt applications for our BSP root file system. Qt Creator itself can be taken from your distributions repository or be built by OpenEmbedded for your host system. In this how to we use the distribution provided Qt Creator.

We need to have a full Qt toolchain, which provides beside cross GCC and GDB also the Qt headers to include and libraries to link against. There are two options

meta-toolchain-qt: Qt X11, create applications for X-Server
meta-toolchain-qte: Qt Embedded, without X-Server directly on framebuffer (at least on Qt 4.8 running using QWT)

Qt Creator - Devices With the modules based on T20/T30 the drivers for hardware accelerated 3D and video decoding are only available for an X11 system, so you probably want to use Qt on X11.
The second is especially useful for devices without any graphical acceleration or with drivers providing this also to users relying on the frame buffer device.
In this example we use the second variant as we target a Colibri VF61 module:

Qt Creator - Qt Versions $ bitbake -k meta-toolchain-qte This can take several hours.

On the target module you will need the QT runtime environment installed. An image containing the require stuff can be built with the following recipes:

angstrom-qt-x11-image : Qt X11 image
qt4e-demo-image: Qt Embedded image

$ bitbake -k qt4e-demo-image Install the Qt toolchain on your development computer (the -S parameter preserves the relocation scripts):

./out-eglibc/deploy/sdk/angstrom-eglibc-x86_64-armv7ahf-vfp-neon-toolchain-qte-v2013.06.sh -S Usually the destination folder is /usr/local/oecore-x86_64, however I use /usr/local/oecore-x86_64-qte for the Qt Enterprise

Note: In current OpenEmbedded core versions, the relocation of SDK excludes some files which results in segmentation faults:

$ /usr/local/oecore-x86_64-qte/sysroots/x86_64-angstromsdk-linux/usr/bin/qmake2 Segmentation fault (core dumped) As a work around, one can alter the relocation script /usr/local/oecore-x86_64-qte/relocate.py by removing line 95/96: