Hello,
On 16/08/2023 15:09:36+0100, Angelo Ribeiro via lists.openembedded.org wrote:
> From: Angelo Ribeiro <angelo.ribe...@criticaltechworks.com>
>
> Native recipes are not able to use ccache currently, due to a circular
> dependency between ccache-native and cmake-native.
> This affects also other native recipes, but not all, imposing a
> limitation in build time optimizations.
>
> The introduction of CCACHE_NATIVE_ALLOWED allows the user to specify which
> native recipes should use ccache, keeping it disable by default for all
> native recipes.
>
You must also submit documentation for this new variable.
> Signed-off-by: Angelo Ribeiro <angelo.ribe...@criticaltechworks.com>
> ---
> meta/classes/ccache.bbclass | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass
> index 34becb69d1..262db6672c 100644
> --- a/meta/classes/ccache.bbclass
> +++ b/meta/classes/ccache.bbclass
> @@ -28,6 +28,11 @@
> # be shared between different builds.
> CCACHE_TOP_DIR ?= "${TMPDIR}/ccache"
>
> +# ccache-native and cmake-native have a circular dependency
> +# that affects other native recipes, but not all.
> +# Allows to use ccache in specified native recipes.
> +CCACHE_NATIVE_RECIPES_ALLOWED ?= ""
> +
> # ccahe removes CCACHE_BASEDIR from file path, so that hashes will be the
> same
> # in different builds.
> export CCACHE_BASEDIR ?= "${TMPDIR}"
> @@ -54,9 +59,9 @@ python() {
> Enable ccache for the recipe
> """
> pn = d.getVar('PN')
> - # quilt-native doesn't need ccache since no c files
> - if not (bb.data.inherits_class("native", d) or
> - bb.utils.to_boolean(d.getVar('CCACHE_DISABLE'))):
> + if (pn in d.getVar('CCACHE_NATIVE_RECIPES_ALLOWED') or
> + not (bb.data.inherits_class("native", d) or
> + bb.utils.to_boolean(d.getVar('CCACHE_DISABLE')))):
> d.appendVar('DEPENDS', ' ccache-native')
> d.setVar('CCACHE', 'ccache ')
> }
> --
> 2.34.1
>
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--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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