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Hello to all,
I'm working on SGI Altix machine (IA64) which provides its own MPI
library. It is installed under /usr.
I've installed OpenMPI 1.2 on my own user area in order to do some tests.
However, when I link the test application with the mpicc from OpenMPI
and the command line contains -L /usr/lib mpicc fails telling me that
it's unable to find some symbols from the OpenMPI lib (I suppose that it
tries to use /usr/lib/libmpi.* instead of $OMPI_HOME/lib/libmpi.*).
Shouldn't mpicc force the usage of $OMPI_HOME/lib/libmpi* at the link
stage and avoid other MPI libraries?
Thank you!,
**
harald@bscsmp01:~>
/home/Computacional/harald/aplic/openmpi/1.2/bin/mpicc prova-mpi.c
harald@bscsmp01:~>
/home/Computacional/harald/aplic/openmpi/1.2/bin/mpicc prova-mpi.c
- -L/usr/lib
/tmp/ccIsf1pD.o: In function `main':
prova-mpi.c:(.text+0x61): undefined reference to `ompi_mpi_comm_world'
prova-mpi.c:(.text+0x70): undefined reference to `ompi_mpi_comm_world'
collect2: ld returned 1 exit status
and prova-mpi.c is like this
#include <mpi.h>
int main (int argc, char *argv[])
{
int r;
r = MPI_Init (&argc, &argv);
r = MPI_Barrier (MPI_COMM_WORLD);
r = MPI_Finalize();
}
Regards,
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