Re: _FORTIFY_SOURCE by default? - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: _FORTIFY_SOURCE by default?
Date
Msg-id 1347820257.559.2.camel@vanquo.pezone.net
Whole thread Raw
In response to Re: _FORTIFY_SOURCE by default?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: _FORTIFY_SOURCE by default?
List pgsql-hackers
On Sun, 2012-09-16 at 00:41 -0400, Tom Lane wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
> > _FORTIFY_SOURCE=2 appears to be the default for package building on many
> > Linux distributions now, as part of harding or security options.  But we
> > often hear about problems related to this only when we hand the source
> > over to the packagers.  So I think we might as well add this to our
> > standard compilation options, for example in src/include/port/linux.h.
> > What do you think?
> 
> Doesn't seem like a good idea to me to add platform-specific options
> with unspecified effects to platform-independent upstream sources.

It's effectively a warning option, and we end up fixing all the warnings
anyway, so I don't see the point of deferring that effort.  We could
rephrase this request as, how about adding this new warning option, it's
occasionally useful -- which we frequently do.

We add platform-specific warning and optimization options in many
places, and I don't think this is much different.





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