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ref-manual/variables.rst: document the CCACHE_TOP_DIR variable

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Added by commit 35d7fe73bba1 ("ccache.bbclass: Make it can be shared
between different builds") in OE-Core.

Fixes [YOCTO #16052]

(From yocto-docs rev: e4f5ba7bb34586cd7bee7f0fe69c39b36dabb357)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit 550ef8340b550f8d4e9c3d0672190dc09592c621)
Fix conflicts: CCLD variable in master not on kirkstone.
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Antonin Godard
2026-01-06 16:22:06 +01:00
committed by Richard Purdie
parent 72eb266009
commit d5bcc413d0
1 changed files with 6 additions and 0 deletions
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documentation/ref-manual/variables.rst
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@@ -1102,6 +1102,12 @@ system and gives an overview of their function and contents.
: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:`CCACHE_TOP_DIR`
When inheriting the :ref:`ref-classes-ccache` class, the
:term:`CCACHE_TOP_DIR` variable can be set to the location of where
`Ccache` stores its cache files. This directory can be shared between
builds.
: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