More than one instance of _axpy

[Victor Eijkhout]

```

[ 43%] Building CXX object CMakeFiles/aspect.dir/source/particle/interpolator/bilinear_least_squares.cc.o
In file included from /opt/apps/intel18/cray_mpich_7_7/dealii/9.2.0/include/deal.II/lac/full_matrix.templates.h(33),
                 from /work/00434/eijkhout/lonestar/aspect/aspect-2.2.0/source/particle/interpolator/bilinear_least_squares.cc(27):
/opt/apps/intel18/cray_mpich_7_7/dealii/9.2.0/include/deal.II/lac/lapack_templates.h(31): error: more than one instance of overloaded function "saxpy_" has "C" linkage
    saxpy_(const dealii::types::blas_int *n,
    ^

In file included from /opt/apps/intel18/cray_mpich_7_7/dealii/9.2.0/include/deal.II/lac/full_matrix.templates.h(33),
                 from /work/00434/eijkhout/lonestar/aspect/aspect-2.2.0/source/particle/interpolator/bilinear_least_squares.cc(27):
/opt/apps/intel18/cray_mpich_7_7/dealii/9.2.0/include/deal.II/lac/lapack_templates.h(39): error: more than one instance of overloaded function "daxpy_" has "C" linkage
    daxpy_(const dealii::types::blas_int *n,
    ^

```

I get this when installing Aspect on our Cray. On the Dell/intel cluster it works fine.

And as hard as I look at that file, I can not see how it sees more than one instance of those functions.

[Wells, David]

Hi Victor,

I don't know exactly what is causing this but I would bet that it's related to the fix we applied in

https://github.com/dealii/dealii/pull/10287

namely, some other package (I'm working from memory here, but I think it's Trilinos) defines its own LAPACK wrappers in a slightly different way (they put const in different places or something like that).

I don't use ASPECT but I suspect commenting out the inclusion of full_matrix.templates.h might resolve the issue. Someone who uses ASPECT should take a look.

Best,

David Wells

---

From: dea...@googlegroups.com <dea...@googlegroups.com> on behalf of Victor Eijkhout <eijk...@tacc.utexas.edu>
Sent: Wednesday, January 20, 2021 8:07 PM
To: deal.II User Group <dea...@googlegroups.com>
Subject: [deal.II] More than one instance of _axpy

 

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