Mike Stump <mikest...@comcast.net> writes:
> On Jun 1, 2011, at 9:01 AM, Rainer Orth wrote:
>> Both TARGET_64BIT_DEFAULT and TARGET_BI_ARCH live in gcc only, so at
>> least in the medium term, we need different tests here.
>
> Ah, ick. Oh well... The next more general rule would be something like: one
> can set a feature (implicit -D__GCC_DO_UNWIND_BLA) in the compiler when
> TARGET_64BIT_DEFAULT and TARGET_BI_ARCH are set a certain way, and then in
> libgcc, one can just test that feature directly. Ick, I hate inventing
> feature names here...
True, but only as a last resort. Alternatively, one could try to
determine the feature with autoconf.
>> 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?
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
