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bitbake: doc: ref-variables: add LAYERSERIES_COMPAT to term glossary

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Bitbake throws a warning if the layer compatibility is not defined since
cca81e33b58c390dcf5cc3a31555a43b79177166. The description of this variable
comes from the Yocto Project manual.

Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Reviewed-by: Ever ATILANO <ever.atilano@smile.fr>
Reviewed-by: Yoann CONGAL <yoann.congal@smile.fr>
(Bitbake rev: cbad8cb28a8134d6b2053ef5c2e04bb455fc798b)

Signed-off-by: Fawzi KHABER <fawzi.khaber@smile.fr>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Fawzi KHABER 2023-03-02 17:14:30 +01:00 committed by Richard Purdie
parent a81854fe3e
commit 28e334e8a4
1 changed files with 23 additions and 0 deletions
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bitbake/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.rst
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@ -1096,6 +1096,29 @@ overview of their function and contents.
variable is not available outside of ``layer.conf`` and references
are expanded immediately when parsing of the file completes.
:term:`LAYERSERIES_COMPAT`
Lists the versions of the OpenEmbedded-Core (OE-Core) for which
a layer is compatible. Using the :term:`LAYERSERIES_COMPAT` variable
allows the layer maintainer to indicate which combinations of the
layer and OE-Core can be expected to work. The variable gives the
system a way to detect when a layer has not been tested with new
releases of OE-Core (e.g. the layer is not maintained).
To specify the OE-Core versions for which a layer is compatible, use
this variable in your layer's ``conf/layer.conf`` configuration file.
For the list, use the Yocto Project release name (e.g. "kirkstone",
"mickledore"). To specify multiple OE-Core versions for the layer, use
a space-separated list::
LAYERSERIES_COMPAT_layer_root_name = "kirkstone mickledore"
.. note::
Setting :term:`LAYERSERIES_COMPAT` is required by the Yocto Project
Compatible version 2 standard.
The OpenEmbedded build system produces a warning if the variable
is not set for any given layer.
:term:`LAYERVERSION`
Optionally specifies the version of a layer as a single number. You
can use this variable within