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ref-manual/classes,variables: document the CCACHE_DISABLE variable

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Can be used in recipes that want to explicitly skip Ccache support when
the ccache class is enabled.

Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
(From yocto-docs rev: cc6e7a2d80ca03ee49a94af2eda74e83b1a33552)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit b1b4adc8d4d9d23ff6fd91bca632bb0f5277e72b)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Antonin Godard 2025-10-27 13:43:37 +01:00 committed by Steve Sakoman
parent 9626809dce
commit 8d8972d1b4
2 changed files with 11 additions and 2 deletions
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8
documentation/ref-manual/classes.rst
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@ -309,8 +309,12 @@ file for details about how to enable this mechanism in your configuration
file, how to disable it for specific recipes, and how to share ``ccache``
files between builds.
However, using the class can lead to unexpected side-effects. Thus, using
this class is not recommended.
Recipes can also explicitly disable `Ccache` support even when the
:ref:`ref-classes-ccache` class is enabled, by setting the
:term:`CCACHE_DISABLE` variable to "1".
Using the :ref:`ref-classes-ccache` class can lead to unexpected side-effects.
Using this class is not recommended.
.. _ref-classes-chrpath:

5
documentation/ref-manual/variables.rst
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@ -1097,6 +1097,11 @@ system and gives an overview of their function and contents.
:term:`CC`
The minimal command and arguments used to run the C compiler.
:term:`CCACHE_DISABLE`
When inheriting the :ref:`ref-classes-ccache` class, the
:term:`CCACHE_DISABLE` variable can be set to "1" in a recipe to disable
`Ccache` support. This is useful when the recipe is known to not support it.
:term:`CFLAGS`
Specifies the flags to pass to the C compiler. This variable is
exported to an environment variable and thus made visible to the