On Tue, 2024-01-23 at 21:58 +0000, Sebert, Holger.ext wrote:
> Hi Quentin,
>
> ________________________________________
> Von: Quentin Schulz <quentin.sch...@theobroma-systems.com>
>
> > What does
> > bitbake-getvar -r libxml2-native PACKAGECONFIG
> > and
> > bitbake-getvar -r libxml2 PACKAGECONFIG
> >
> > return?
>
> Here is the output of the respective commands:
>
> $ bitbake-getvar -r libxml2-native PACKAGECONFIG
> #
> # $PACKAGECONFIG [6 operations]
> # :append[pn-qemu-system-native]
> /home/hosebert.ext/data/poky-python-getvar/build/conf/local.conf:251
> # " sdl"
> # :remove[class-target:pn-libxml2]
> /home/hosebert.ext/data/poky-python-getvar/build/conf/local.conf:292
> # "python"
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/conf/documentation.conf:320
> # [doc] "This variable provides a means of enabling or disabling features
> of a recipe on a per-recipe basis."
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:32
> # [_defaultval] "python ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6',
> d)} "
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:33
> # [python] "--with-python=${PYTHON},--without-python,python3"
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:34
> # [ipv6] "--enable-ipv6,--disable-ipv6,"
> # pre-expansion value:
> # "python ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)} "
> PACKAGECONFIG="python ipv6 "
>
> $ bitbake-getvar -r libxml2 PACKAGECONFIG
> #
> # $PACKAGECONFIG [6 operations]
> # :append[pn-qemu-system-native]
> /home/hosebert.ext/data/poky-python-getvar/build/conf/local.conf:251
> # " sdl"
> # :remove[class-target:pn-libxml2]
> /home/hosebert.ext/data/poky-python-getvar/build/conf/local.conf:292
> # "python"
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/conf/documentation.conf:320
> # [doc] "This variable provides a means of enabling or disabling features
> of a recipe on a per-recipe basis."
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:32
> # [_defaultval] "python ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6',
> d)} "
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:33
> # [python] "--with-python=${PYTHON},--without-python,python3"
> # set
> /home/hosebert.ext/data/poky-python-getvar/meta/recipes-core/libxml/libxml2_2.11.5.bb:34
> # [ipv6] "--enable-ipv6,--disable-ipv6,"
> # pre-expansion value:
> # "python ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)} "
> PACKAGECONFIG=" ipv6 "
>
> So ... PACKAGECONFIG seems o.k. Notice, however, that the value of the PYTHON
> variable is incorrect:
>
> $ bitbake-getvar -r libxml2-native PYTHON
> #
> # $PYTHON
> # set /home/hosebert.ext/data/poky-python-getvar/meta/conf/bitbake.conf:575
> # "${@sys.executable}"
> PYTHON="/usr/bin/python3"
>
> It points to the host's Python installation and not the one in Yocto!
I suspect this is related to:
https://bugzilla.yoctoproject.org/show_bug.cgi?id=15361
and there is an explanation of what is happening there. I'm not
entirely happy about the behaviour of class- overrides and
inherit_defer but I'm not sure what to do about it.
Cheers,
Richard
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