Re: [meta-ti] [PATCH] multiconfig: use diferent TMPDIR for each machine

[Denys Dmytriyenko <denis@denix.org>]

On Mon, May 30, 2022 at 03:38:10PM +0100, Jose Quaresma wrote:
> Bitbake manual [1] recomends to use one TMPDIR for each machine:
> 
>  "Minimally, each configuration file must define the machine and the
>  temporary directory BitBake uses for the build.
>  Suggested practice dictates that you do not overlap the temporary
>  directories used during the builds."

What specific issue are you trying to fix with this?

I'm not aware of any immediate issues (because here multiconfig is used for 
completely separate machines and those are well isolated inside the temp dir), 
but I see few problems this will cause down the road, so I'm against this 
change.


> [1] https://docs.yoctoproject.org/bitbake/bitbake-user-manual/bitbake-user-manual-intro.html#executing-a-multiple-configuration-build
> 
> Signed-off-by: Jose Quaresma <jose.quaresma@foundries.io>
> ---
>  meta-ti-bsp/conf/multiconfig/k3r5.conf | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/meta-ti-bsp/conf/multiconfig/k3r5.conf b/meta-ti-bsp/conf/multiconfig/k3r5.conf
> index deb07210..0ba163ae 100644
> --- a/meta-ti-bsp/conf/multiconfig/k3r5.conf
> +++ b/meta-ti-bsp/conf/multiconfig/k3r5.conf
> @@ -3,3 +3,5 @@ MAINMACHINE := "${MACHINE}"
>  DEPLOY_DIR_IMAGE = "${DEPLOY_DIR}/images/${MAINMACHINE}"
>  
>  MACHINE:append = "-k3r5"
> +
> +TMPDIR = "${TOPDIR}/tmp-${MACHINE}"
> -- 
> 2.36.1