On 8/21/2014 5:34 AM, Mark Martinec wrote:
> Bryan Drewery wrote:
>> Ports now support enabling Stack Protector [1] support on FreeBSD 10
>> i386 and amd64, and older releases on amd64 only currently.
>>
>> Support may be added for earlier i386 releases once all ports properly
>> respect LDFLAGS.
>>
>> To enable, just add WITH_SSP=yes to your make.conf and rebuild all ports.
>>
>> The default SSP_CLFAGS is -fstack-protector, but -fstack-protector-all
>> may optionally be set instead.
> 
> That's probably SSP_CFLAGS, not SSP_CLFAGS.

Nice find.

> 
> 
> Does clang (in 10-STABLE or CURRENT) support also the
> option -fstack-protector-strong ?

Not sure if clang 3.4 has it, but I found a patch for it here:
https://github.com/archlinuxarm/PKGBUILDs/blob/master/extra/llvm/clang-3.4-fstack-protector-strong.patch

> 
> Is 'world' by default compiled with -fstack-protector
> (and if not, why not).

World has been built with -fstack-protector by default since 2008. At
least in 8.0+.


> 
>   Mark
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-- 
Regards,
Bryan Drewery

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