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Re: [PATCH v3] tftp.h: rework layout to work with fortification
On Mon, 7 May 2012, Carlos O'Donell wrote:
> On Mon, May 7, 2012 at 10:38 AM, Joseph S. Myers
> <joseph@codesourcery.com> wrote:
> > On Mon, 7 May 2012, Carlos O'Donell wrote:
> >
> >> It still doesn't work with -Wall -Werror -pedantic because zero sized
> >> arrays are not allowed in ISO C.
> >
> > This should not give errors in system headers. ?Have you found such an
> > error with the header installed in a system header directory? ?If so, that
> > would be a GCC bug.
>
> No, I haven't tried installing this and testing.
>
> I didn't know that GCC had special handling for system headers.
>
> How does that work?
Most warnings are not emitted for locations in system headers (those found
in system header directories, with -isystem or marked with #pragma GCC
system_header), unless -Wsystem-headers. This applies before pedwarns are
turned into errors.
--
Joseph S. Myers
joseph@codesourcery.com