[PATCH] bitbake: Move the preferred bootstrap assignment before including local.conf

[Liu Yi]

This change relocates the assignment for the preferred providers of the
bootstrap-host and bootstrap-target to occur before including local.conf,
ensuring that these two variables in local.conf can be overwritten by the
end users.

Signed-off-by: Liu Yi <li...@siemens.com>
---
meta/conf/bitbake.conf | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 5ab8ced7..a06ef90e 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -210,6 +210,9 @@ TASK_USE_NETWORK = "1"
TASK_USE_SUDO = "1"
TASK_USE_NETWORK_AND_SUDO = "1"

+PREFERRED_PROVIDER_bootstrap-host ??= "isar-mmdebstrap-host"
+PREFERRED_PROVIDER_bootstrap-target ??= "isar-mmdebstrap-target"
+
include conf/local.conf
include conf/multiconfig/${BB_CURRENT_MC}.conf
include conf/machine/${MACHINE}.conf
@@ -217,5 +220,3 @@ include conf/distro/${DISTRO}.conf

PATCHRESOLVE ?= "noop"

-PREFERRED_PROVIDER_bootstrap-host ??= "isar-mmdebstrap-host"
-PREFERRED_PROVIDER_bootstrap-target ??= "isar-mmdebstrap-target"
--
2.39.5

[Jan Kiszka]

Looks good.

I suppose that this comes from some out-of-tree experiments with a
non-Debian, non-Raspberry and non-Ubuntu OS? ;)

Jan

--
Siemens AG, Foundational Technologies
Linux Expert Center

[Liu, Yi]

You guessed it.

This comes from the experiment of building openKylinOS via ISAR.

Somehow the build process got failed in the task do_bootstrap due to uninstalling of libc6,
if I chose the mmdebstrap as the preferred one.

So, I tried to switch to debootstrap in local.conf or in local-conf-head from kas yaml,
then found it always be overwritten by the value from bitbake.conf.

Best Regards,
Liu Yi

[MOESSBAUER, Felix]

I would be happy to see these experiments also on this list. Feel free
to send as an RFC, similar to the raspbian support.

>
> Somehow the build process got failed in the task do_bootstrap due to uninstalling of libc6,
> if I chose the mmdebstrap as the preferred one.
>
> So, I tried to switch to debootstrap in local.conf or in local-conf-head from kas yaml,
> then found it always be overwritten by the value from bitbake.conf.

I'm a bit surprised why this did not work, as the extra-weak assignment
still can be overwritten by a weak or strong one.
Example:

kas_trixie.yml

header:
version: 14

build_system: isar

machine: qemuamd64
distro: debian-trixie

target: mc:qemuamd64-trixie:isar-image-base

repos:
isar:
layers:
meta:

local_conf_header:
pref-prov: |
PREFERRED_PROVIDER_bootstrap-host = "foo"

kas-container shell -c "bitbake-getvar -r bootstrap-host
PREFERRED_PROVIDER_bootstrap-host" kas_trixie.yml
# output
PREFERRED_PROVIDER_bootstrap-host="foo"

Felix

>
> Best Regards,
> Liu Yi
>
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