[Trilinos-Users] Compiling with GCC 4.8.0

[Heroux, Mike]

By default OpenMP is off.  This shouldn't be the issue.

Are you sure that you are using the same 4.8.0 g++/gfortran version?  Just
checking the easy stuff first.


On 4/9/13 12:45 PM, "Andrey Prokopenko" <aprokop at sandia.gov> wrote:

>Dave,
>
>I have been compiling with gcc 4.8.0 for quite a while, and don't see
>such errors. But I disable OpenMP explicitly in the configure file (-D
>Trilinos_ENABLE_OpenMP=OFF).
>
>-Andrey
>
>On Tue 09 Apr 2013 11:29:39 AM MDT, Littlewood, David John wrote:
>> Greetings,
>>
>> Has anyone had luck building Trilinos with GCC 4.8.0?
>>
>> I just gave it a shot on a Mac running OS X 10.7.5 and got the
>> following error:
>>
>> 
>>/Users/djlittl/Software/trilinos/trilinos-11.0.3/packages/epetra/src/Epet
>>ra_MultiVector.cpp:
>> In member function Œint Epetra_MultiVector::Abs(const
>> Epetra_MultiVector&)¹:
>> 
>>/Users/djlittl/Software/trilinos/trilinos-11.0.3/packages/epetra/src/Epet
>>ra_MultiVector.cpp:1166:63:
>> internal compiler error: in prepare_cmp_insn, at optabs.c:4190
>>      for (int j=0; j < myLength; j++) to[j] = std::abs(from[j]);
>>                                                                ^
>>
>> 
>>/Users/djlittl/Software/trilinos/trilinos-11.0.3/packages/epetra/src/Epet
>>ra_MultiVector.cpp:1166:63:
>> internal compiler error: Abort trap: 6
>> g++: internal compiler error: Abort trap: 6 (program cc1plus)
>>
>> The offending code in Epetra_MultiVector.cpp looks pretty
>> straightforward, just a simple for loop.
>>
>> It is preceded by
>>
>> #ifdef EPETRA_HAVE_OMP
>> #pragma omp parallel for default(none)
>> #endif
>>
>> But I'm assuming that by default, EPETRA_HAVE_OMP is set to false, so
>> the omp code wouldn't have any effect.
>>
>> I'm guessing my best course of action is to abandon GCC 4.8.0 in favor
>> of 4.7.2.  I have successfully built with 4.7.2 on a different machine.
>>
>> Thoughts?
>>
>> Thanks,
>> Dave
>>
>>
>>
>> _______________________________________________
>> Trilinos-Users mailing list
>> Trilinos-Users at software.sandia.gov
>> http://software.sandia.gov/mailman/listinfo/trilinos-users
>_______________________________________________
>Trilinos-Users mailing list
>Trilinos-Users at software.sandia.gov
>http://software.sandia.gov/mailman/listinfo/trilinos-users