[petsc-users] configure mpirun problem

[charles reid]

Hi -

I'm trying to install Petsc and linking to OpenMPI, but running into a
conflict with the compiler test.  If I specify my MPI installation directory
and my mpiexec command, like so:

./configure \
 --prefix=/uufs/chpc.utah.edu/common/home/u0552682/pkg/petsc/3.0.0_incendio\
 --with-x=false \
 --with-matlab=false \
 --download-f-blas-lapack=ifneeded \
 \
 --with-mpi-dir=/uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3 \
 --with-mpiexec=/uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpirun \
 \
 --with-blas-lapack-dir=/usr/lib \Checking for program /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc...found
          Defined make macro "CC" to "/uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc"
          Pushing language C
sh: /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c
-o conftest.o   conftest.c
Executing: /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c -o
conftest.o   conftest.c
sh:
sh: /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c
-o conftest.o   conftest.c
Executing: /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c -o
conftest.o   conftest.c
sh:
                                          Pushing language C
                                          Popping language C
                                          Pushing language Cxx
                                          Popping language Cxx
                                          Pushing language FC
                                          Popping language FC
                  Pushing language C                  Popping language C
sh: /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc  -o
conftest     conftest.o
Executing: /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc  -o
conftest     conftest.o
sh:
sh: /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c
-o conftest.o   conftest.c
Executing: /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc -c -o
conftest.o   conftest.c
sh:                      Pushing language C
                      Popping language C
sh: /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc  -o
conftest     conftest.o
Executing: /uufs/
chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc  -o
conftest     conftest.o
sh:Executing: ./conftest
sh: ./conftest
Executing: ./conftestsh:
ERROR while running executable: Could not execute './conftest':./conftest:
error while loading shared libraries: libmpi.so.0: cannot open shared object
file: No such file or directory
 --with-shared=0 \



The underlying problem can be demonstrated with a simple C hello world
program:

$ cat test.c

#include <stdio.h>

main()
{
  printf ("Hello World!\n");
}

$ /uufs/chpc.utah.edu/common/home/u0552682/pkg/openmpi/1.4.3/bin/mpicc  -o
test.o test.c

$ ./test.o
./test.o: error while loading shared libraries: libmpi.so.0: cannot open
shared object file: No such file or directory



Running the executable with mpirun alone shows the same error (similar to
this thread at OpenMPI list:
http://www.open-mpi.org/community/lists/users/2006/07/1691.php)

$ mpirun -np 1 ./test.o
./test.o: error while loading shared libraries: libmpi.so.0: cannot open
shared object file: No such file or directory



and ultimately the resolution is to specify the full path of mpirun when
running the executable (as per the response to the above thread,
http://www.open-mpi.org/community/lists/users/2006/07/1692.php):

$ `which mpirun` -np 1 ./test.o
Hello World!



So my question is, why does Petsc's compiler test insist on running the
mpicc-built test executable in an incorrect way (i.e. ./conftestsh instead
of /path/to/mpiexec ./conftest)?  And how can I compile with OpenMPI
support?  I'm unable to bypass this by specifying CC and CXX, as I just run
into problems later on with mpi_init not being found.


Charles
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