[illumos-Developer] [REVIEW] 1230 need support for recent gcc stdarg builtins

[Garrett D'Amore]

LGTM.

  -- Garrett D'Amore

On Jul 20, 2011, at 7:24 PM, Richard Lowe <richlowe at richlowe.net> wrote:

> I'd like code review for:
>   1230 need support for recent gcc stdarg builtins
> webrev:
>   http://richlowe.net/webrevs/il_1230
> 
> GCC used to use __builtin_stdarg_start() as va_start(), later, they
> introduced __builtin_va_start() with an eye toward removing the
> former.  In recent GCC (4.x) they actually did remove
> __builtin_stdarg_start() and code built using our headers begins to
> break.  This change teaches our headers about the needs of recent GCC.
> I modelled the version conditional based on the introduction of the
> use of __builtin_va_start in the gcc/ginclude headers, which was in
> 3.3.
> 
> 
> -- Rich
> 
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