Re: [yocto] overwrite LAYERSERIES_COMPAT_ for different layer

["Denys Dmytriyenko" <denis@denix.org>]

On Mon, May 25, 2020 at 03:28:52PM +0200, Quentin Schulz wrote:
> On Mon, May 25, 2020 at 03:10:39PM +0200, Martin Jansa wrote:
> > You can add a layer which will set LAYERSERIES_COMPAT for another layer,
> > but it needs to be parsed before the layer you want to change, e.g.:
> > https://github.com/webosose/meta-webosose/blob/thud/meta-qt5-compat/conf/layer.conf
> > it's useful to use this layer also to implement whatever modifications are
> > needed to make the layer to be actually compatible with the release you're
> > using, like:
> > https://github.com/webOS-ports/meta-webos-ports/tree/zeus/meta-qt5-compat
> > 
> 
> FWIW, you could make the parsing order not matter (at least in thud,
> from a quick look, master as well). LAYERSERIES_COMPAT is resolved after
> all layer.conf have been parsed[1]. I do not know if it's on purpose or
> not, meaning it could well disappear in the near future.
> 
> So you could override it from anywhere by using __append but it has to
> be done before or during the conf/layer.conf parsing. This also makes it
> future proof wrt layer priorities and how LAYERSERIES_COMPAT is set (+=,
> =, ?= ?).
> 
> I personally have it in conf/bblayers.conf (for some reason we "ship"
> this one, though it's not best practice IIRC).

Also not recommended, you can put this in your conf/bblayers.conf:

OVERRIDES = "iamgroot"
LAYERSERIES_COMPAT_browser-layer_iamgroot = "zeus"

-- 
Denys