Re: [PATCH] scripts: Fix incremental build header re-generation

From: Masahiro Yamada
Date: Tue Mar 02 2021 - 03:11:50 EST


On Mon, Mar 1, 2021 at 11:23 PM Jeevan Shriram <jshriram@xxxxxxxxxxxxxx> wrote:
>
> compile.h and autoconf.h are ignored when checking headers sha as they
> are always re-generated for every kernel compilation. However,
> these two headers are packaged into kheaders tar. During incremental
> compilation of kernel, kheaders tar file is always generated and re-packaged
> irrespective of the changes in headers.


I do not see this problem.
Could you describe the steps to reproduce it, please?







> Change-Id: I7a64faebb81df44c32230b0fea1d6df09d7ce66f
> Signed-off-by: Jeevan Shriram <jshriram@xxxxxxxxxxxxxx>
> ---
> kernel/gen_kheaders.sh | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh
> index c1510f0..5499f72 100755
> --- a/kernel/gen_kheaders.sh
> +++ b/kernel/gen_kheaders.sh
> @@ -51,8 +51,7 @@ this_file_md5="$(ls -l $sfile | md5sum | cut -d ' ' -f1)"
> if [ -f $tarfile ]; then tarfile_md5="$(md5sum $tarfile | cut -d ' ' -f1)"; fi
> if [ -f kernel/kheaders.md5 ] &&
> [ "$(head -n 1 kernel/kheaders.md5)" = "$headers_md5" ] &&
> - [ "$(head -n 2 kernel/kheaders.md5 | tail -n 1)" = "$this_file_md5" ] &&
> - [ "$(tail -n 1 kernel/kheaders.md5)" = "$tarfile_md5" ]; then
> + [ "$(head -n 2 kernel/kheaders.md5 | tail -n 1)" = "$this_file_md5" ]; then
> exit
> fi
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>


--
Best Regards
Masahiro Yamada