linux-kernel - Re: [PATCH 1/1] tools: use basename to identify file in gen-mach-types

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Message-ID: <13360982.O9o76ZdvQC@steina-w>
Date: Fri, 07 Nov 2025 15:42:54 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Russell King <linux@...linux.org.uk>
Cc: Bruce Ashfield <bruce.ashfield@...il.com>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject:
 Re: [PATCH 1/1] tools: use basename to identify file in gen-mach-types

Hello,

Am Dienstag, 26. August 2025, 16:25:17 CET schrieb Alexander Stein:
> From: Bruce Ashfield <bruce.ashfield@...il.com>
> 
> FILENAME is replaced by the full path to the executing script. If
> the script is executed via a fully specified path, that is captured
> in the output. Although it doesn't impact the output, it does trigger
> reproducibility warnings/errors.
> 
> So we introduce a basename() function in the script and use it to
> make sure the output file contains only the name of the awk script.
> The motivation for this change is Yocto emitting a build warning
>   WARNING: linux-tq-6.12.41+git-r0 do_package_qa: QA Issue: File /usr/src/debug/linux-tq/6.12.41+git/arch/arm/include/generated/asm/mach-types.h in package linux-tq-src contains reference to TMPDIR [buildpaths]
> 
> Signed-off-by: Bruce Ashfield <bruce.ashfield@...il.com>
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>

Any feedback on this?

Thanks and best regards,
Alexander

> ---
>  arch/arm/tools/gen-mach-types | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/tools/gen-mach-types b/arch/arm/tools/gen-mach-types
> index cbe1c33bb8710..ab69d408f9e12 100644
> --- a/arch/arm/tools/gen-mach-types
> +++ b/arch/arm/tools/gen-mach-types
> @@ -21,10 +21,14 @@ NF == 3 {
>  	  num[nr] = ""; nr++
>  	}
>  
> +	function basename(file) {
> +	   sub(".*/", "", file)
> +	   return file
> +	}
>  
>  END	{
>  	  printf("/*\n");
> -	  printf(" * This was automagically generated from %s!\n", FILENAME);
> +	  printf(" * This was automagically generated from %s!\n", basename(FILENAME));
>  	  printf(" * Do NOT edit\n");
>  	  printf(" */\n\n");
>  	  printf("#ifndef __ASM_ARM_MACH_TYPE_H\n");
> 


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