Yocto Qt5

Yocto Qt5

[LIU Yang (MM)]

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Hi There,

I am first time coming here for help on Yocto project with Qt5, I have two questions/problems when I tried to bitbake a recipe in our layer.

1.        An error message says: failed on do_rootfs task.
Additional message: Computing transaction...error: Can't install smartpm-1.4-1-r9@i586<mailto:smartpm-1.4-1-r9@i586>: no package provides /usr/bin/udev
I tried with two methods: One is to bitbake a recipe in our layer with freescale BSP layer targeting imx6qsabrelite board. The bblayer.conf includes following layers:
                meta
                meta-yocto
                meta-openembedded/meta-oe
                meta-fsl-arm                                     # From freescale for imx6qsabrelite board
                meta-fsl-arm-extra                         # From freescale for imx6qsabrelite board
                meta-qt5                                             # Get from https://github.com/meta-qt5/meta-qt5
                meta-MM
One recipe (We want to bitbake) file in the meta-MM layer looks like following:
=================================================================
IMAGE_FEATURES += "splash package-management x11-browser ssh-server-openssh"
IMAGE_INSTALL += " qtbase qtbase-tools qtbase-plugins qtbase-fonts"

PR="r2"

LICENSE = "MIT"

inherit core-image
export IMAGE_BASENAME = "MM-qt5"
=================================================================

bitbake the recipe without the line in RED above (comment it out), it will succeed, the problem comes when I add this line. My colleague told me to bitbake perl first, and then bitbake the same recipe file again afterwards, the problem goes away. Don't know the reason why???

The other method is: I also tried the same scenario with yocto-bsp layer targeting qemu emulator. I got the same result.


2.       When I succeeded in the way my colleague told me, I found the kernel image (uImage/bzImage) is missing in the boot directory of target filesystem. I checked "tmp/work/imx6qsabrelite-poky-linux-gnueabi/MM-qt5/1.0-r2/rootfs/boot" directory, it was not there. However, bitbake the same recipe without the RED line above, I can find it in both locations. That is really confusing me!!!

Same thing I did with qemu emulator, also same result I got.

By the way, I will appreciate if some of you can direct me how to bitbake, let me know the status, progress, resources on qt5 package with yocto project.

Thanks,
Yang Liu

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Re: Yocto Qt5

[Nicolas Dechesne]

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On Thu, May 23, 2013 at 10:51 PM, LIU Yang (MM) <yang.liu@magnetimarelli.com
> wrote:

> I am first time coming here for help on Yocto project with Qt5, I have two
> questions/problems when I tried to bitbake a recipe in our layer. ****
>
> sorry to hijack (slightly...) that email, but what is the 'plan' for Qt5
in OE? i don't see Qt5 listed in the yocto 1.5 schedule wiki. so are we
going to replace qt4 by qt5 in oe-core? are we going to have them
side-by-side? or is it going to live in its own layer?

thanks

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Re: Yocto Qt5

[Paul Eggleton]

On Thursday 23 May 2013 23:20:06 Nicolas Dechesne wrote:
> On Thu, May 23, 2013 at 10:51 PM, LIU Yang (MM) <yang.liu@magnetimarelli.com
> > wrote:
> > 
> > I am first time coming here for help on Yocto project with Qt5, I have two
> > questions/problems when I tried to bitbake a recipe in our layer. ****
>
> sorry to hijack (slightly...) that email, but what is the 'plan' for Qt5
> in OE? i don't see Qt5 listed in the yocto 1.5 schedule wiki. so are we
> going to replace qt4 by qt5 in oe-core? are we going to have them
> side-by-side? or is it going to live in its own layer?

It's currently being developed in its own layer:

http://layers.openembedded.org/layerindex/layer/meta-qt5/

Once it's working satisfactorily (and I'll admit, I haven't been following it 
closely) we should look to see whether it can fit in OE-Core.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre