[build] Move MD_UNWIND_SUPPORT to toplevel libgcc

Mike Stump mikestump@comcast.net
Wed Jun 1 19:43:00 GMT 2011

On Jun 1, 2011, at 10:51 AM, Rainer Orth wrote:
>>> I can certainly do it this way for now, but if we could do away with the
>>> tests completely, that would be cleaner.
>> Agreed, though, I don't believe the test is superfluous.
> You still haven't answered my question wrt. Darwin 8 vs. 64-bit on
> PowerPC.  Perhaps we can do away with DARWIN_LIBSYSTEM_HAS_UNWIND
> completely?

To quote my previous email:

>> I don't believe the test is superfluous.

This means that I can't say for sure that is is unneeded.  There was 64-bit support on darwin 8 as I recall.

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