Yocto distro toolchain change to linaro

[CoRfr]

@voloviq

Hi Jen,
thanks for answer. For my purposes I really need QT5 environment because I have already written application on it. Unfortunately I’m rather poor in yocto and do not understand how everything is organized in it. For other my Linux controllers I use linaro toolchain which works fine. Also I discover that simply application written in c like hello world compiled linaro toolchain can’t execute on current WP85xx yocto distribution. When I compile that preinstalled toolchain poky-linux… application works fine. So it means that linaro and poky-linux toolchains are not compatible. I would like to know where in yocto folders structure this toolchain exist and how to replace it. Ideally for me is to use only linaro for all my machines. Regarding to Your last question I used WP module so I can’t account to support.

Thanks
Best Regards
Voloviq

Hi Voloviq,

Using another toolchain with the WP85 might not be so easy, as there is a lot of compatibility issues between libraries that are in the toolchain and on the target.
In the end building the QT5 support within the WP85 Yocto distribution might actually be a simpler course of action.

There is this article on how to use a meta-qt5 layer: http://wiki.wandboard.org/index.php/Building_Qt5_using_yocto_on_Wandboard

Yocto 1.7 is called dizzy so you would need to take GitHub - meta-qt5/meta-qt5 at dizzy and configure build_bin/conf/bblayers.conf to use that layer.

If you add ‘inherit populate_sdk_qt5’ in meta-swi/common/recipes-core/meta/meta-toolchain-swi.bb it should include the QT5 dependencies.
Then do ‘make toolchain_bin’, and the resulting toolchain should have qt5 tools.

Best regards,
Bertrand