From: David Miller <davem@davemloft.net>
To: Valdis.Kletnieks@vt.edu
Cc: arjan@linux.intel.com, ak@suse.de, linux-kernel@vger.kernel.org,
akpm@osdl.org
Subject: Re: [patch 5/5] Add the -fstack-protector option to the CFLAGS
Date: Fri, 28 Jul 2006 16:12:15 -0700 (PDT) [thread overview]
Message-ID: <20060728.161215.98863664.davem@davemloft.net> (raw)
In-Reply-To: <200607282305.k6SN5e0k015125@turing-police.cc.vt.edu>
From: Valdis.Kletnieks@vt.edu
Date: Fri, 28 Jul 2006 19:05:40 -0400
> On Fri, 28 Jul 2006 20:48:31 +0200, Arjan van de Ven said:
> > On Fri, 2006-07-28 at 20:45 +0200, Andi Kleen wrote:
> > > > +ifdef CONFIG_CC_STACKPROTECTOR
> > > > +CFLAGS += $(call cc-ifversion, -lt, 0402, -fno-stack-protector)
> > > > +CFLAGS += $(call cc-ifversion, -ge, 0402, -fstack-protector)
> > >
> > > Why can't you just use the normal call cc-option for this?
> >
> > this requires gcc 4.2; cc-option is not useful for that.
>
> At least some things calling themselves 4.1.1 include it. On a Fedora
Your gcc-4.1.1 includes the -fstack-protector feature, but it might
not have the gcc bug fix necessary to make that feature work on the
kernel compile, which is why the version check is necessary.
next prev parent reply other threads:[~2006-07-28 23:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1154102546.6416.9.camel@laptopd505.fenrus.org>
2006-07-28 16:03 ` [patch 1/5] Add comments to the PDA structure to annotate offsets Arjan van de Ven
2006-07-28 18:41 ` Andi Kleen
2006-07-28 18:43 ` Arjan van de Ven
2006-07-28 18:52 ` Andi Kleen
2006-07-28 18:57 ` Arjan van de Ven
2006-07-28 20:32 ` Arjan van de Ven
2006-07-28 16:03 ` [patch 2/5] Add the Kconfig option for the stackprotector feature Arjan van de Ven
2006-07-28 16:24 ` Daniel Walker
2006-07-28 16:27 ` Arjan van de Ven
2006-07-28 18:42 ` Andi Kleen
2006-07-28 18:49 ` Arjan van de Ven
2006-07-28 17:13 ` Paweł Sikora
2006-07-28 17:26 ` Arjan van de Ven
2006-07-28 17:56 ` Thierry Vignaud
2006-07-28 18:06 ` Paweł Sikora
2006-07-29 17:48 ` Adrian Bunk
2006-07-29 18:50 ` Andi Kleen
2006-07-29 18:57 ` Adrian Bunk
2006-07-29 19:04 ` Andi Kleen
2006-07-29 19:19 ` Adrian Bunk
2006-07-30 16:14 ` Valdis.Kletnieks
2006-07-30 16:49 ` Adrian Bunk
2006-07-31 2:06 ` Valdis.Kletnieks
2006-07-30 17:47 ` Arjan van de Ven
2006-07-28 16:04 ` [patch 3/5] Add the canary field to the PDA area and the task struct Arjan van de Ven
2006-07-28 16:05 ` [patch 4/5] Add the __stack_chk_fail() function Arjan van de Ven
2006-07-28 16:05 ` [patch 5/5] Add the -fstack-protector option to the CFLAGS Arjan van de Ven
2006-07-28 18:45 ` Andi Kleen
2006-07-28 18:48 ` Arjan van de Ven
2006-07-28 19:00 ` Andi Kleen
2006-07-28 19:53 ` Arjan van de Ven
2006-07-28 21:26 ` Sam Ravnborg
2006-07-28 21:40 ` Arjan van de Ven
2006-07-28 21:58 ` Sam Ravnborg
2006-07-28 22:31 ` Arjan van de Ven
2006-07-28 23:05 ` Valdis.Kletnieks
2006-07-28 23:12 ` David Miller [this message]
2006-07-28 23:51 ` Valdis.Kletnieks
2006-07-29 7:41 ` Arjan van de Ven
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