overwrite LAYERSERIES_COMPAT_ for different layer

overwrite LAYERSERIES_COMPAT_ for different layer

[TRO]

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Hi,
have an issue with a layer which doesn't have the current dunfell release in it's LAYERSERIES_COMPAT_
-> can I overwrite it somehow in a different layer or local.conf?
-> can I configure the error "...is not compatible with the core layer..." to a warning?
cheers, Thomas

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Re: [yocto] overwrite LAYERSERIES_COMPAT_ for different layer

[Martin Jansa]

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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

On Mon, May 25, 2020 at 1:17 PM TRO <thomas.roos@industronic.de> wrote:

> Hi,
> have an issue with a layer which doesn't have the current dunfell release
> in it's LAYERSERIES_COMPAT_
> -> can I overwrite it somehow in a different layer or local.conf?
> -> can I configure the error "...is not compatible with the core layer..."
> to a warning?
> cheers, Thomas 
>

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Re: [yocto] overwrite LAYERSERIES_COMPAT_ for different layer

[Quentin Schulz]

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).

[1] https://git.yoctoproject.org/cgit.cgi/poky/tree/bitbake/lib/bb/cookerdata.py?h=thud#n399

Cheers,
Quentin

Re: overwrite LAYERSERIES_COMPAT_ for different layer

[TRO]

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Hi,
thanks for the reply - I've put it in the bblayers.conf - working.
cheers, Thomas

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Re: [yocto] overwrite LAYERSERIES_COMPAT_ for different layer

[Denys Dmytriyenko]

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