[llvm] r195235 - Update to reflect the next release.

[David Woodhouse]

On Wed, 2014-01-01 at 17:40 +0900, NAKAMURA Takumi wrote:
> 
> > +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
> > +   significant byte first (like Motorola and SPARC, unlike Intel). */
> > +#if defined AC_APPLE_UNIVERSAL_BUILD
> > +# if defined __BIG_ENDIAN__
> > +#  define WORDS_BIGENDIAN 1
> > +# endif
> > +#else
> > +# ifndef WORDS_BIGENDIAN
> > +#  undef WORDS_BIGENDIAN
> > +# endif
> > +#endif
> > +
> >  /* Define to empty if `const' does not conform to ANSI C. */
> >  #undef const
> 
> I won't locally reproduce the change in config.h.in. Any idea?

Idly watching this go past... am I missing something that would make the
construct
	#ifndef FOO
	#undef FOO
	#endif
make sense? I appreciate this is config.h.in and it's subject to some
post-processing, but even if that #undef gets magically turned into a
#define the result doesn't seem to make much sense to me either.

And this appears to be the *only* instance of WORDS_BIGENDIAN in the
entire LLVM source tree, according to 'git grep'. Is it used anywhere?

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse at intel.com                              Intel Corporation
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