On Thu, 17 Nov 2005, Peter S. Mazinger wrote:

> On Wed, 16 Nov 2005, Richard Henderson wrote:
> 
> > On Wed, Nov 16, 2005 at 10:32:45PM +0100, Peter S. Mazinger wrote:
> > > what happens w/ -fstack-protector-all -fstack-protector (in this order) ? 
> > > do we have (2) or (1)
> > 
> > We have 1.
> > 
> > > so now it does
> > > -fstack-protector #define __SSP__ 1 ; #undef __SSP_ALL__
> > > -fstack-protector-all #define __SSP_ALL__ 2 ; #undef __SSP__
> > > 
> > > and the last wins.
> > 
> > I don't know what you're looking at, but it isn't mainline.
> > The defines are not controled this way.
> 
> The defines are exactly like this (only undef is not done, because the 
> last wins)
> 
> so -fstack-protector -fstack-protector-all will have only __SSP_ALL__ 2
> -fstack-protector-all -fstack-protector will have only __SSP__ 1
> 
> so in any case the last wins
> 
> -fstack-protector-all (all protection) being superset of -fstack-protector 
> (random protection) it should also define __SSP__ 1

or maybe better, remove __SSP_ALL__ and define __SSP__ 2 for -all

Peter

-- 
Peter S. Mazinger <ps dot m at gmx dot net>           ID: 0xA5F059F2
Key fingerprint = 92A4 31E1 56BC 3D5A 2D08  BB6E C389 975E A5F0 59F2

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