Re: [PATCH] linux: add "dwarves" to KBUILD_DEPENDS

[Henning Schild <henning.schild@siemens.com>]

Am Wed, 28 Jun 2023 09:09:10 +0530
schrieb Srinuvasan Arjunan <srinuvasan_a@mentor.com>:

> From: Srinuvasan A <srinuvasan.a@siemens.com>
> 
> When we build custom 5.10.175-cip29 kernel
> in one of the downstream layer we faced below error:
> 
> `BTF: .tmp_vmlinux.btf: pahole (pahole) is not available
>  Failed to generate BTF for vmlinux
>  Try to disable CONFIG_DEBUG_INFO_BTF`
> 
> hence install "dwarves" package as a dependency in sbuild-chroot
> when we build custom kernels.

This commit message is rather specific and could be more generic, but i
think the patch itself is fine.

Stock debian kernels have CONFIG_DEBUG_INFO_BTF enabled so it is kind of
likely that pahole will be needed at build time.

Henning

> Signed-off-by: Srinuvasan A <srinuvasan.a@siemens.com>
> ---
>  meta/recipes-kernel/linux/linux-custom.inc | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/meta/recipes-kernel/linux/linux-custom.inc
> b/meta/recipes-kernel/linux/linux-custom.inc index 1404ab0..f255d68
> 100644 --- a/meta/recipes-kernel/linux/linux-custom.inc
> +++ b/meta/recipes-kernel/linux/linux-custom.inc
> @@ -21,6 +21,7 @@ KBUILD_DEPENDS ?= "build-essential:native, \
>                     bc, \
>                     bison, \
>                     cpio, \
> +                   dwarves, \
>                     flex, \
>                     git, \
>                     kmod, \