[RFA]: Patch to handle new libunwind release

[Jeff Johnston]

Andrew Cagney wrote:
>> The attached patch changes libunwind-frame.c to dlopen 
>> "libunwind-xxxx.so" instead of "libunwind.so".  This is needed as the 
>> design has changed in libunwind 0.97 and the interface functions are 
>> no longer found in the vanilla library.  Without the patch, ia64 
>> debugging will revert to the examine prologue method which cannot 
>> handle a number of scenarios, including backtraces on threads.
>>
>> Tested on ia64 with libunwind-0.96 and libunwind-0.97.
>>
>> Ok to commit?
>>
>> 2004-07-28  Jeff Johnston  <jjohnstn@redhat.com>
>>
>>         * libunwind-frame.c (LIBUNWIND_SO): Change to be of form:
>>         libunwind-xxxx.so" where xxxx is UNW_TARGET.
>>
> 
> I feel ill
> 
> +#ifndef LIBUNWIND_SO
> +#define LIBUNWIND_SO "libunwind-" STRINGIFY(UNW_TARGET) ".so"
> +#endif
> 
> however, we've clearly got no choice, so "obvious".
> 
> Andrew
>

Patch checked in.  Thanks.

-- Jeff J.

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