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From: Christopher Li <sparse@chrisli.org>
To: Pavel Roskin <proski@gnu.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	linux-sparse@vger.kernel.org
Subject: Re: Feature request - allow boolean operations of undefined cpp symbols
Date: Fri, 2 Feb 2007 14:10:09 -0800	[thread overview]
Message-ID: <20070202221009.GC27667@chrisli.org> (raw)
In-Reply-To: <1170455437.4698.2.camel@dv>

On Fri, Feb 02, 2007 at 05:30:37PM -0500, Pavel Roskin wrote:
> 
> You need -Wundef or -Wall to check for undefined preprocessor symbols.
> 
> $ sparse -Wundef test.c 
> test.c:1:5: warning: undefined preprocessor identifier
> 'SYMBOL_NOT_DEFINED'
> test.c:4:2: warning: "not defined"

Ha, I see. So do you still want some thing more than -Wno-undef?

Chris

  reply	other threads:[~2007-02-02 22:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-02 17:37 Feature request - allow boolean operations of undefined cpp symbols Pavel Roskin
2007-02-02 18:25 ` Linus Torvalds
2007-02-02 21:56   ` Christopher Li
2007-02-02 22:30     ` Pavel Roskin
2007-02-02 22:10       ` Christopher Li [this message]
2007-02-02 22:58         ` Pavel Roskin
2007-02-02 22:45     ` Linus Torvalds
2007-04-20 10:02   ` Josh Triplett
2007-04-20 22:42     ` Pavel Roskin

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