linux-kernel - Re: [patch 5/5] Add the -fstack-protector option to the CFLAGS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1154116384.6416.52.camel@laptopd505.fenrus.org>
Date:	Fri, 28 Jul 2006 21:53:03 +0200
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Andi Kleen <ak@...e.de>
Cc:	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org,
	akpm@...l.org
Subject: Re: [patch 5/5] Add the -fstack-protector option to the CFLAGS

On Fri, 2006-07-28 at 21:00 +0200, Andi Kleen wrote:
> On Friday 28 July 2006 20:48, Arjan van de Ven wrote:
> > 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.
> 
> This means nearly nobody can use it.

... today.

>  The CC option thing is also
> very ugly. 

It's what Sam suggested as kbuild guy.

>  Perhaps you really need a Makefile time check like
> configure would do for it. Generating a .s and grepping for %gs 
> would be enough I guess.
> 


Sam?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/