llvm-symbolizer problem

Kurt Hornik Kurt.Hornik at wu.ac.at
Thu Jun 19 13:30:44 UTC 2014


>>>>> Sylvestre Ledru writes:

> On 19/06/2014 15:07, Kurt Hornik wrote:
>> Dear maintainers,
>> 
>> It seems that at least for the testing versions of the Clang 3.4
>> packages we only get a versioned llvm-symbolizer binary in the path
>> (specifically, /usr/bin/llvm-symbolizer-3.4).
>> 
>> However, the common sanitizer code base does
>> 
>> ./compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc:      path_to_external = FindPathToBinary("llvm-symbolizer");
>> 
>> and hence fails to find a symbolizer, resulting in warnings like
>> 
>> ==29072==WARNING: Trying to symbolize code, but external symbolizer is not initialized!
>> 
>> and subsequently un-symbolized output (in particular, missing source
>> file line numbers for the runtime error messages) ...
>> 
>> Would it be possible to create unversioned llvm-symbolizer symlinks?

> Sure (even if I will probably update the code instead).  Could you
> report a bug?

 Thanks!  I can try reporting a bug if necessary ...

 Best
 -k

> Thanks,
> Sylvestre




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