Re: [PATCHv2] feature_test_macros.7: document clang fortify support

[Sam James <sam@gentoo.org>]

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Alejandro Colomar <alx.manpages@gmail.com> writes:

> [[PGP Signed Part:Undecided]]
> Hi Mingye,
>
> On 4/3/23 18:24, Mingye Wang wrote:
>> Hi Alex,
>> 
>> On Sat, Apr 1, 2023 at 5:56 AM Alejandro Colomar wrote:
>>> If it's just a reference to the software, that is fine.  If it's a
>>> reference to the version, then I want it to be greppable.
>>>
>> 
>> Is my patch attached to the last message all good, or is there
>> anything more to do?
>
> Sorry about the delay; I'm a bit overloaded.  Did you check Sam's
> objection?

I'm happy now after a clarification was made (libssp does more than I thought
it did).

>
> On 3/23/23 06:38, Sam James wrote:
>> The patch looks OK to me in terms of the content, apart from the libssp
>> mention. libssp and stack smashing protection overall is distinct from
>> fortification.
>> 
>> SSP is where stack canaries are emitted and their value is checked
>> later on to see if they're intact. Fortification is where certain
>> functions are replaced with variants that check the size of their
>> arguments e.g. dst & src and ensure they're big enough. They're distinct.
>
> Thanks,
> Alex
>
>> 
>> Thanks,
>> Mingye


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