Do we need to export _PYTHON_SYSCONFIGDATA_NAME for non-target cases?
And instead of:
DEPENDS_append = "${@['', ' python3']['${CLASSOVERRIDE}' ==
'class-target']}"
I would use intermediate variable like
EXTRA_PYTHON_DEPENDS = "python3"
EXTRA_PYTHON_DEPENDS_class-target = ""
DEPENDS_append = " ${EXTRA_PYTHON_DEPENDS}"
I know it's just personal preference, but in this case with small benefit
to undo the append if you really don't want it added for some mysterious
reason.
On Tue, Nov 17, 2020 at 4:34 PM Khem Raj <raj.k...@gmail.com> wrote:
> python3targetconfig append target python3 to dependencies
> unconditionally, and here its inherited unconditionally too but
> distutils3-base is inherited in BBCLASSEXTEND'ed recipes and other
> not-target
> recipes as well. Hence the change added via
> 9c8f666097802cb594a759989edcf01603a22df3
> is now bridging the native dependencies with target python3 and thats
> resulting all sorts of rebuilds for multimachine builds e.g.
>
> MACHINE=qemuarm bitbake python3-scons-native
> MACHINE=qemumips bitbake python3-scons-native
>
> results in rebuilds for python3-scons-native
>
> bitbake-diffsigs shows
>
> Hash for dependent task
> python/python3-scons-native_3.1.2.bb:do_populate_sysroot
> changed from
> 1cdb93193b416477df6faa137e83a967b433c7aa29033146b405153f73f36933 to
> 3cea1e7cbedd121ecb768fbc291cc4e4d7d3b5c0442897
> 0e3b97bd058d162065
> Hash for dependent task python/python3-scons-native_3.1.2.bb:do_install
> changed from
> 8d6018fd03ffc6060a04532dc39a5b7ccca1be026a69d069cb4fb11aef86dd89 to
> c5f1d173596a8e910f45a2b6e0b4dab96cd0102be4d62bd3156
> 229cb0f5ebb11
> Hash for dependent task
> python/python3-scons-native_3.1.2.bb:do_compile
> changed from
> e3ee4b52a15267e6ae7853ec19a666b2fb62608a597608793336382d1c45f8a0 to
> 1e582043dfe6b3e00aaa532f363ce6afb37652abe837dac
> 7cc9769194c43eae1
> Hash for dependent task
> python/python3-scons-native_3.1.2.bb:do_configure
> changed from
> 770a4d5a77a96ebd9e1e7368f710bca3f88e3b1266dffa3b2d0360b1e3a81e27 to
> a366982778b03eee5165c3117ee778f848acdfaa2
> b346650fbdf114ac70ab57b
> Hash for dependent task
> python/python3-scons-native_3.1.2.bb:do_prepare_recipe_sysroot changed
> from 958910037856ff5d5eb2b5162b3cdd02a3a710fc543b933cfeba771ee095cb72 to
> 474333fb565f908992fd3716
> 4935aaecf31a79e867826fe634cde4f44171d8e7
> Hash for dependent task
> python/python3_3.9.0.bb:do_populate_sysroot
> changed from
> 7ac1c4fcbb2eacf98d2c32d991751bd2f3c7d55e2e32f2c9e485e7f5975fecf8 to
> 25dcfe74a95af19cce8df7c29311cc5edbbf6ad
> 08777e46a6fa6e417c0445018
>
> ...
>
> Therefore limit inheriting this class only for target recipes.
>
> Signed-off-by: Khem Raj <raj.k...@gmail.com>
> Cc: Alexander Kanavin <alex.kana...@gmail.com>
> Cc: Martin Jansa <martin.ja...@gmail.com>
> ---
> v2: Mark depends conditional instead
>
> meta/classes/python3targetconfig.bbclass | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta/classes/python3targetconfig.bbclass
> b/meta/classes/python3targetconfig.bbclass
> index 640d0c97b6..b79ec211c7 100644
> --- a/meta/classes/python3targetconfig.bbclass
> +++ b/meta/classes/python3targetconfig.bbclass
> @@ -1,6 +1,6 @@
> inherit python3native
>
> -DEPENDS_append = " python3"
> +DEPENDS_append = "${@['', ' python3']['${CLASSOVERRIDE}' ==
> 'class-target']}"
>
> do_configure_prepend() {
> export _PYTHON_SYSCONFIGDATA_NAME="_sysconfigdata"
> --
> 2.29.2
>
>
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