linux-kernel - Re: [PATCH] Pass -g to assembler under CONFIG_DEBUG

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Message-Id: <20070711231929.579334D0555@magilla.localdomain>
Date:	Wed, 11 Jul 2007 16:19:29 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Andreas Schwab <schwab@...e.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jason Wessel <jason.wessel@...driver.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] Pass -g to assembler under CONFIG_DEBUG_INFO

> > +AFLAGS		+= $(call as-option, -gdwarf)
> 
> The option is officially called -gdwarf-2, and -gdwarf2 is an alias for
> backward compatibility.  But -gdwarf is ambigous and will error out.

AFLAGS is actually passed to $(CC), not $(AS), and -gdwarf works there
(it's an unambiguous prefix of -gdwarf-2).


Thanks,
Roland
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