[Trilinos-Users] OpenBLAS library for LAPACK

[Gyorgy Matyasfalvi]

Dear User Community:

I am trying to build Trilinos on a 32 core (Intel Xeon ES-2660 @ 2.20 GHz)
Ubuntu (12.04) system.
I have encountered an error while trying to build all targets after the
configuration step.
I intended to use OpenBlas (libopenblas.a) for both the BLAS and the LAPACK
library. It seems to me that this is causing the issue.

Initially I have noticed that some of the LAPACK tests during the
configurations step fail. For example: DLARFP, SLARFP, ZLARFP ...
Nonetheless the configuration step completes with:
-- Configuring done
and I only get one warning:
********************
CMake Warning:
  Manually-specified variables were not used by the project:

    Trilinos_ENABLE_TEUCHOS_TIME_MONITOR
*************************************************************

So I thought that the LAPACK functionality might not be needed for the
Trilinos packages I am trying to install.


But then during the building phase I got the following error:
**********************************************************
Building CXX object
packages/teuchos/numerics/test/Polynomial/CMakeFiles/TeuchosNumerics_Polynomial_test.dir/cxx_main.cpp.o
/usr/local/openblas/lib/libopenblas.a(dtrtri_lapack.o): In function
`dtrtrilapack_':
dtrtri_lapack.f:(.text+0x140): undefined reference to
`_gfortran_concat_string'
/usr/local/openblas/lib/libopenblas.a(sgesvd.o): In function `sgesvd_':
sgesvd.f:(.text+0x3cc): undefined reference to `_gfortran_concat_string'
sgesvd.f:(.text+0xef8): undefined reference to `_gfortran_concat_string'
/usr/local/openblas/lib/libopenblas.a(shseqr.o): In function `shseqr_':
shseqr.f:(.text+0x3e2): undefined reference to `_gfortran_concat_string'
/usr/local/openblas/lib/libopenblas.a(sormbr.o): In function `sormbr_':
sormbr.f:(.text+0x3e3): undefined reference to `_gfortran_concat_string'
/usr/local/openblas/lib/libopenblas.a(sormbr.o):sormbr.f:(.text+0x602):
more undefined references to `_gfortran_concat_string' follow
/usr/local/openblas/lib/libopenblas.a(ilaenv.o): In function `ilaenv_':
ilaenv.f:(.text+0x8d): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0xb4): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x26f): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x29c): undefined reference to `_gfortran_compare_string'
ilaenv.f:(.text+0x2c2): undefined reference to `_gfortran_compare_string'
/usr/local/openblas/lib/libopenblas.a(ilaenv.o):ilaenv.f:(.text+0x2e5):
more undefined references to `_gfortran_compare_string' follow
collect2: ld returned 1 exit status
make[2]: ***
[packages/teuchos/numerics/test/DenseMatrix/TeuchosNumerics_BandDenseSolver_test.exe]
Error 1
make[1]: ***
[packages/teuchos/numerics/test/DenseMatrix/CMakeFiles/TeuchosNumerics_BandDenseSolver_test.dir/all]
Error 2
make[1]: *** Waiting for unfinished jobs....
*************************************************

If I just try to build Epetra with:

$ make Epetra_all

the build is successful, so it seems this issue is only affecting certain
packages.

Did anyone else experience issues with OpenBLAS? Is there a fix? What are
some of the LAPACK and BLAS libraries recommended for Trilinos?

Thanks! Best,
Gyorgy


PS: My do-configure file:
*************
#!/bin/bash

EXTRA_ARGS=$@

export CMAKE_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu

cmake \
-D CMAKE_BUILD_TYPE:STRING=DEBUG \
\
-D TPL_ENABLE_BLAS:BOOL=ON \
-D BLAS_INCLUDE_DIRS:PATH="/usr/local/openblas/" \
-D BLAS_LIBRARY_DIRS:FILEPATH="/usr/local/openblas/lib" \
-D BLAS_LIBRARY_NAMES:STRING="libopenblas.a" \
\
-D TPL_ENABLE_LAPACK:BOOL=ON \
-D LAPACK_INCLUDE_DIRS:PATH="/usr/local/openblas/" \
-D LAPACK_LIBRARY_DIRS:FILEPATH="/usr/local/openblas/lib" \
-D LAPACK_LIBRARY_NAMES:STRING="libopenblas.a" \
\
-D TPL_ENABLE_MPI:BOOL=ON \
\
-D Trilinos_ENABLE_DEBUG:BOOL=ON \
-D Trilinos_ENABLE_TESTS:BOOL=ON \
-D Trilinos_ENABLE_OpenMP:BOOL=ON \
-D Trilinos_ENABLE_Epetra:BOOL=ON \
-D Trilinos_ENABLE_EpetraExt=ON \
-D Trilinos_ENABLE_Kokkos:BOOL=ON \
-D Kokkos_ENABLE_EXAMPLES:BOOL=ON \
-D Trilinos_ENABLE_Teuchos:BOOL=ON \
-D Trilinos_ENABLE_TEUCHOS_TIME_MONITOR:BOOL=ON \
$EXTRA_ARGS \
../trilinos-11.4.3-Source
***************************
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