[yocto] Crosscompile packages (ipk) based on SDK

[Khem Raj]

On Thu, Jul 27, 2017 at 9:05 AM, Manuel Geeler <geeler at identech.ch> wrote:
> Hello Raj,
>
> thank you for your input. This solves the problem of bringing the packages
> to the target once I havt the packages. But I'm still challenged with how to
> create the packages in the first place.
>
> Do I need to have my own yocto installation to setup along the SDK? Will
> such a setup be able to build me *ipk packages without knowing the original
> settings for the image in the first place? Are the information to build the
> buildsystem somwhere hidden in the SDK?

if you are using extensible SDK then it should be able to build ipks. You might
have to ask the SDK provider on that. Otherwise you will need full yocto build
system to generate ipks is the easiest way.

>
> Thank you
>
> Manuel
>
> Khem Raj <raj.khem at gmail.com> hat am 27. Juli 2017 um 17:57 geschrieben:
>
> On Thu, Jul 27, 2017 at 7:43 AM, Manuel Geeler <geeler at identech.ch> wrote:
>
> Hello community,
>
> I got an image and the corresponding SDK for a hardware based on an iMX6
> processor. With this setup I was able to crosscompile a simple "Hello World"
> program on the development machine (Ubuntu 16.04.2 LTS), install and run it
> on the target.
>
> I then started to look deeper into yocto and realized that there's the opkg
> package manager available in the image.
>
> Now comes my question, how can I build *.ipk packages on my development
> machine, which will then run on my target?
>
> yes you can. you can setup a feedserver pointing to tmp/deploy/ipk in
> your workspace
>
> something as simple as cd tmp/deploy/ipk && python3 -m http.server 8000
>
> will do it. Once you have it then setup the feed on your device to
> point to this server
> something like
>
> https://github.com/cbrake/oe-build/blob/master/envsetup.sh#L480-L489
>
> then you can do normal opkg operations
>
> if you are able to rebuild the whole image then step to edit feed
> confs is not needed
> you can add
>
> PACKAGE_FEED_URIS = "http://<ip>:<port>/" in local.conf
>
> where ip is the local address of your build machine and port is the
> port on which you
> are starting the http server.
>
>>
>
> The image is based on poky 2.1.
>
> My endgoal is to run node.js and node red on the target.
>
> Can someone please point me to the right direction?
>
> Thanks a lot in advance.
>
> regards
>
> Manuel
>
> Manuel Geeler
> Technischer Leiter
>
> Identech AG
> Lagerstrasse 14, CH-8600 Dübendorf
> Tel.: +41 (0) 44 885 22 26
> Mobil: +41 (0) 76 323 65 44
> geeler at identech.ch
> www.identech.ch
>
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