linux-kernel - Re: [-mm patch] AFLAGS: fix the -g setting

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Message-Id: <20070816140201.3ff0f582.akpm@linux-foundation.org>
Date:	Thu, 16 Aug 2007 14:02:01 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Roland McGrath <roland@...hat.com>, linux-kernel@...r.kernel.org,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [-mm patch] AFLAGS: fix the -g setting

On Tue, 14 Aug 2007 23:23:29 +0200
Adrian Bunk <bunk@...nel.org> wrote:

> It's -gdwarf-2, not -gdwarf2. With this fix it can actually work.

Andreas Schwab has said "The option is officially called -gdwarf-2, and
-gdwarf2 is an alias for backward compatibility.".  So the code should be
working OK now.

> And since even gcc 3.2 supports -gdwarf-2 there's no reason for checking 
> with as-option.
> 
> Signed-off-by: Adrian Bunk <bunk@...nel.org>
> 
> ---
> 6ab1091b06e762635430b452f82a474890bda230 
> diff --git a/Makefile b/Makefile
> index 5b0d58c..accfdc4 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -504,7 +504,7 @@ endif
>  
>  ifdef CONFIG_DEBUG_INFO
>  CFLAGS		+= -g
> -AFLAGS		+= $(call as-option, -gdwarf2)
> +AFLAGS		+= -gdwarf-2
>  endif
>  
>  # Force gcc to behave correct even for buggy distributions
-
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