linux-kernel - Re: [PATCH REPOST] lib/build_OID

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Message-ID: <CAGvU0Hnm5V1EpY+TfWqq5XHVJUSSxa=wHCZ+yVNb9+Ln=7mbkw@mail.gmail.com>
Date: Mon, 5 Aug 2024 10:12:26 +0100
From: Giuliano Procida <gprocida@...gle.com>
To: linux-kernel@...r.kernel.org
Cc: linux-kbuild@...r.kernel.org, kernel-team@...roid.com, elsk@...gle.com
Subject: Re: [PATCH REPOST] lib/build_OID_registry: do not embed full $0

Please ignore this. I see other people have already posted different
fixes achieving much the same goal.

Though my change was much simpler!

On Mon, 5 Aug 2024 at 10:09, Giuliano Procida <gprocida@...gle.com> wrote:
>
> Using $0 makes the output of this file sensitive to the Linux build
> directory path. This is problematic for reproducible builds as it can
> affect vmlinux's .debug_lines' section and vmlinux's build ID.
>
> Signed-off-by: Giuliano Procida <gprocida@...gle.com>
> ---
>  lib/build_OID_registry | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/build_OID_registry b/lib/build_OID_registry
> index d7fc32ea8ac2..06f242202036 100755
> --- a/lib/build_OID_registry
> +++ b/lib/build_OID_registry
> @@ -35,7 +35,7 @@ close IN_FILE || die;
>  #
>  open C_FILE, ">$ARGV[1]" or die;
>  print C_FILE "/*\n";
> -print C_FILE " * Automatically generated by ", $0, ".  Do not edit\n";
> +print C_FILE " * Automatically generated by build_OID_registry.  Do not edit\n";
>  print C_FILE " */\n";
>
>  #
> --
> 2.45.2.741.gdbec12cfda-goog
>