[Bug 1742] Warnings in system headers

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Thu Feb 24 10:29:46 UTC 2011


Ralf Corsepius <ralf.corsepius at rtems.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #6 from Ralf Corsepius <ralf.corsepius at rtems.org> 2011-02-24 04:29:46 CST ---
(In reply to comment #5)
> (In reply to comment #4)
> > Seems to me as if you haven't understood how these things work.
> > 
> > The 1st patch is worth deeper investigation, but the second definitely is wrong
> > without any doubt.
> At present <sys/cdefs.h> and <rtems/bsd/sys/cdefs.h> do not include other
> header files. 
Exactly ... that's how things are supposed to be.

> The <sys/cdefs.h> is a part of Newlib and thus more general than
> the RTEMS specific <rtems/bsd/sys/cdefs.h>. 
That's your thinko. <rtems/bsd/sys/cdefs.h> is RTEMS internal and _more_
general counter part of _any_ <sys/cdefs.h>.

> The <rtems/bsd/sys/cdefs.h>
> defines things also defined in <sys/cdefs.h>. 

> Thus it is natural to use the
> definitions from <sys/cdefs.h> in <rtems/bsd/sys/cdefs.h>.
No ... <rtems/bsd/sys/cdefs.h> _replaces_ <sys/cdefs.h>

> What is here definitely wrong without any doubt?
Your reasoning and you trying to fix non-bugs.

Duplicate defines are no bugs unless they collide. Right they trigger warnings
when using overzealous warning options, but that's it.

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