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Message-ID: <CAK7LNAQMMTRX94dJVWiaB5iVFQcVwCUXGQFEHQN_S0ZWjQTZKw@mail.gmail.com>
Date: Sun, 18 Aug 2024 21:35:47 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Jose Fernandez <jose.fernandez@...ux.dev>
Cc: Thomas Weißschuh <linux@...ssschuh.net>, 
	Christian Heusel <christian@...sel.eu>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Peter Jung <ptr1337@...hyos.org>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] kbuild: add debug package to pacman PKGBUILD

On Sun, Aug 18, 2024 at 12:12 AM Jose Fernandez
<jose.fernandez@...ux.dev> wrote:
>
> Add a new debug package to the PKGBUILD for the pacman-pkg target. The
> debug package includes the non-stripped vmlinux file, providing access
> to debug symbols needed for kernel debugging and profiling. The vmlinux
> file will be installed to /usr/src/debug/${pkgbase}. The debug package
> will be built by default and can be excluded by overriding PACMAN_EXTRAPACKAGES.
>
> Signed-off-by: Jose Fernandez <jose.fernandez@...ux.dev>
> Reviewed-by: Peter Jung <ptr1337@...hyos.org>
> ---
> v1->v2:
> - Use the new PACMAN_EXTRAPACKAGES [1] variable to allow users to disable the
> debug package if desired, instead of always including it.
>
> [1] https://lore.kernel.org/lkml/20240813185900.GA140556@thelio-3990X/T/
>
>  scripts/package/PKGBUILD | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/package/PKGBUILD b/scripts/package/PKGBUILD
> index fbd7eb10a52c..d40d282353de 100644
> --- a/scripts/package/PKGBUILD
> +++ b/scripts/package/PKGBUILD
> @@ -5,7 +5,7 @@
>  pkgbase=${PACMAN_PKGBASE:-linux-upstream}
>  pkgname=("${pkgbase}")
>
> -_extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers}
> +_extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers debug}
>  for pkg in $_extrapackages; do
>         pkgname+=("${pkgbase}-${pkg}")
>  done
> @@ -106,6 +106,15 @@ _package-api-headers() {
>         ${MAKE} headers_install INSTALL_HDR_PATH="${pkgdir}/usr"
>  }
>
> +_package-debug(){
> +       pkgdesc="Non-stripped vmlinux file for the ${pkgdesc} kernel"
> +       depends=(${pkgbase}-headers)


Why is this dependency necessary?





> +
> +       cd "${objtree}"
> +       mkdir -p "$pkgdir/usr/src/debug/${pkgbase}"
> +       install -Dt "$pkgdir/usr/src/debug/${pkgbase}" -m644 vmlinux
> +}
> +
>  for _p in "${pkgname[@]}"; do
>         eval "package_$_p() {
>                 $(declare -f "_package${_p#$pkgbase}")
>
> base-commit: 869679673d3bbaaf1c2a43dba53930f5241e1d30
> --
> 2.46.0
>
>


-- 
Best Regards
Masahiro Yamada

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