Stephen Webb's staging headers patch

[Mark Mitchell]

> Ben> Perhaps, but not best case
>
>>> or should we switch to target-dependent std_limits.h like atomicity.h?

I don't see that we have any choice but to do this, in general.  When
cross-compiling, it seems we would have to do this.  Of course, we could
share a lot of the code between systems; most 32-bit systems are going
to have very similar values for things, for example.

-- 
Mark Mitchell                mark@codesourcery.com
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