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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 23:26 +0200, Sam Ravnborg wrote:
    > On Fri, Jul 28, 2006 at 09:00:01PM +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.
    > >
    > > The CC option thing is also very ugly.
    > The check is executed once pr. kernel compile - or at least once pr.
    > line. The reson to use cc-ifversion is that we need to check for a
    > specific gcc version and not just support for a specific argument type.
    >
    > That said - checking for a version is not as reliable as checking if a
    > certain feature is really supported but Arjan suggested testing for
    > version >= 4.2 should do it.


    it's not hard to run a shell script that returns supported or not. I can
    do the shell script no problem... but I would prefer that you then do
    the Makefile foo for it :)
    Would that work?

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