[PATCH] In _IEEE_LIBM mode, use weak symbols instead of wrapper funcs [v3]

[Keith Packard]

Craig Howland <howland@LGSInnovations.com> writes:

> I don't see anything which makes the definition of __strong_reference dependent 
> upon target.  In sys/cdefs.h it is only dependent upon __GNUC__.

Which makes sense -- there shouldn't be any platform which cannot
support these strong references; they're just a duplicate symbol
with the same value and properties. However, it does depend on __GNUC__,
and one can imagine someone using a compiler other than gcc?

-- 
-keith
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