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    SubjectRe: [patch 5/5] Add the -fstack-protector option to the CFLAGS
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    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?

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