Re: [yocto] #yocto methodology to port from older yocto revisions to current

["Quentin Schulz" <quentin.schulz@streamunlimited.com>]

Hi Steve,

On Mon, Oct 19, 2020 at 11:22:41AM +0000, Monsees, Steven C (US) via lists.yoctoproject.org wrote:
> 
> Hello:
> 
> I am currently at Yocto release "Rocko 2.4.1" and I am looking into the effort to port to the latest Yocto release...
> 
> We have been using this  rocko platform revision for the last few years in a project, and now want to move to the latest supported release.
> 
> Is there a preferred established methodology/guidelines when porting projects from much older established revisions of Yocto?
> 

You have a few of the changes highlighted in:
https://docs.yoctoproject.org/ref-manual/migration.html

Obviously, you'd need to do all the changes between Rocko and the
version you're targetting (highly recommend dunfell (3.1) as it's an
LTS).

> Is it considered better to port an established project directly to a new Yocto release, or to slowly migrate the yocto revision to the desired release ?
> 

I've done one upgrade only (krogoth 2.1 to thud 2.6) and it was direct,
I'm not sure there's any benefit in doing incremental upgrades?

Good luck :)
Quentin