[PATCH] [v2] Fix building with Clang on x86-64 and i386

[Brad Hards]

On Wednesday 28 November 2012 19:43:39 Werner Koch wrote:
>     NB: I still believe it is a bad idea of clang to define __GNUC__
>     and not being 100% compatible to gcc. [wk]
Note that intel C compilers define the same macro. I think its trying to get 
the "good" headers. Not saying I disagree with your assessment, just pointing 
it out as reality.