Re: [OE-core] [PATCH 1/5] bitbake-layers: add a command to save the active build configuration as a template into a layer

Luca Ceresoli
2022-08-26T15:25:16Z

Hi Alex,

On Thu, 25 Aug 2022 22:34:47 +0200
"Alexander Kanavin" <alex.kanavin@gmail.com> wrote:

> This is the reverse of setting up a build by pointing TEMPLATECONF to a directory
> with a template and running '. oe-init-build-env': this takes the config files from build/conf,
> replaces site-specific paths in bblayers.conf with ##OECORE##-relative paths, and copies
> the config files into a specified layer under a specified template name.
>
> In many or perhaps most cases such static prefabricated configurations (that require no
> further editing) are just enough, and I believe they should be offered by the
> official configuration management. On the other hand, generating build configurations with a
> sufficiently versatile tool is a far more complex problem, and one we should try to tackle
> once we see where and how static configs fall short.
>
> Tooling to discover and select these templates when setting up a build will be provided later on.
>
> How to use:
>
> alex@Zen2:/srv/work/alex/poky/build-layersetup$ bitbake-layers save-build-conf ../../meta-alex/ test-1
> NOTE: Starting bitbake server...
> NOTE: Configuration template placed into /srv/work/alex/meta-alex/conf/templates/test-1
> Please review the files in there, and particularly provide a configuration description in /srv/work/alex/meta-alex/conf/templates/test-1/conf-notes.txt
> You can try out the configuration with
> TEMPLATECONF=/srv/work/alex/meta-alex/conf/templates/test-1 . /srv/work/alex/poky/oe-init-build-env build-try-test-1
> alex@Zen2:/srv/work/alex/poky/build-layersetup$
>
> Signed-off-by: Alexander Kanavin <alex@linutronix.de>

Testing with this series produced some failures:

error: pathspec 'yocto-4.0' did not match any file(s) known to git

Looks like is is adding the poky-contrib remote but not poky itself.

https://autobuilder.yoctoproject.org/typhoon/#/builders/80/builds/3996/steps/14/logs/stdio
https://autobuilder.yoctoproject.org/typhoon/#/builders/86/builds/4010/steps/14/logs/stdio
https://autobuilder.yoctoproject.org/typhoon/#/builders/87/builds/4064/steps/14/logs/stdio
https://autobuilder.yoctoproject.org/typhoon/#/builders/79/builds/4052/steps/15/logs/stdio
https://autobuilder.yoctoproject.org/typhoon/#/builders/127/builds/26/steps/14/logs/stdio

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering