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From: Sam Ravnborg <sam@ravnborg.org>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Adrian Bunk <bunk@stusta.de>,
	kai@germaschewski.name, linux-kernel@vger.kernel.org,
	Dave Jones <davej@redhat.com>,
	linux-arch@vger.kernel.org
Subject: Re: [2.6 patch] add -Werror-implicit-function-declaration to CFLAGS
Date: Fri, 7 Jul 2006 11:33:31 +0200	[thread overview]
Message-ID: <20060707093331.GA25846@mars.ravnborg.org> (raw)
In-Reply-To: <20060707074918.GB9480@osiris.boeblingen.de.ibm.com>

On Fri, Jul 07, 2006 at 09:49:18AM +0200, Heiko Carstens wrote:
> > > Currently, using an undeclared function gives a compile warning, but it 
> > > can lead to a nasty to debug runtime stack corruptions if the prototype 
> > > of the function is different from what gcc guessed.
> > > 
> > > With -Werror-implicit-function-declaration we are getting an immediate
> > > compile error instead.
> > This patch broke (-rc1):
> > 
> > sparc allnoconfig build
> > ia64 allnoconfig build
> > ppc64 allnoconfig build
> > 
> > x86_64 succeded an allnoconfig build
> > 
> > I did not try other architectures. We need to fix the allnoconfig cases
> > at least for the popular architectures before applying this patch
> > otherwise it will create too much trouble/noise.
> 
> s390 builds with defconfig and allnoconfig and a few other variants as well.
Thanks for testing.

	Sam

  reply	other threads:[~2006-07-07  9:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20060706163728.GN26941@stusta.de>
2006-07-07  3:36 ` [2.6 patch] add -Werror-implicit-function-declaration to CFLAGS Sam Ravnborg
2006-07-07  5:02   ` Valdis.Kletnieks
2006-07-07  6:42     ` Sam Ravnborg
2006-07-07  7:49       ` Adrian Bunk
2006-07-07  7:18   ` Adrian Bunk
2006-07-07  7:49   ` Heiko Carstens
2006-07-07  9:33     ` Sam Ravnborg [this message]
2006-07-07 17:10 Luck, Tony

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