linux-kernel - Re: [PATCH x86/urgent] x86: Fix objdump version check in chkobjdump.awk for different formats.

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Date:	Fri, 18 Dec 2009 10:32:23 -0500
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
CC:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	lkml <linux-kernel@...r.kernel.org>,
	DLE <dle-develop@...ts.sourceforge.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH x86/urgent] x86: Fix objdump version check in chkobjdump.awk
 for different formats.

Masami Hiramatsu wrote:
> Different version of objdump says its version in different way;
> 
> GNU objdump 2.16.1
> 
> or
> 
> GNU objdump version 2.19.51.0.14-1.fc11 20090722
> 
> This patch uses the first argument which starts with a number
> as version string.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@...hat.com>
> Suggested-by: H. Peter Anvin <hpa@...or.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
> 
>  arch/x86/tools/chkobjdump.awk |   16 +++++++++++++---
>  1 files changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
> index 5bbb5a3..250dc79 100644
> --- a/arch/x86/tools/chkobjdump.awk
> +++ b/arch/x86/tools/chkobjdump.awk
> @@ -8,14 +8,24 @@ BEGIN {
>  	od_sver = 19;
>  }
>  
> -/^GNU/ {
> -	split($3, ver, ".");
> +/^GNU objdump/ {
> +	verstr = ""
> +	for (i = 3; i <= NF; i++)
> +		if (match($(i), "^[0-9]")) {
> +			verstr = $(i++);
                                   ^^^^oops, it's not needed!

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com

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