[mpich2-dev] gfortran on Windows - undefined references

[Vinit Satav]

When trying to compile my code using gfortran on Windows, I get the following error:

      USE MPI
               1
Fatal Error: File 'mpi.mod' opened at (1) is not a GFORTRAN module file
gfortran: Internal error: Aborted (program f951)

To fix this, I tried the following:

1.       From the definitions in mpif.h (in folder 'include'), I created a new module MPI (in file mpi.f90)

2.       Compiled mpi.f90 using gfortran to get a new mpi.mod.

3.       Compiled my code using the new module file successfully.

However, during runtime I got the following error messages:
 undefined reference to `mpi_bcast_'
 undefined reference to `mpi_send_'
 undefined reference to `mpi_bcast_'
 undefined reference to `mpi_recv_'
 undefined reference to `mpi_wait_'
 undefined reference to `mpi_irecv_'
 undefined reference to `mpi_test_'
 undefined reference to `mpi_irecv_'
 undefined reference to `mpi_finalize_'
 undefined reference to `mpi_init_'
 undefined reference to `mpi_comm_rank_'
 undefined reference to `mpi_comm_size_'
 collect2: ld returned 1 exit status

I had used fmpich2g.lib while executing the code.

How do I fix these undefined references?

My system configuration is:

a.       Windows XP SP3 - Intel Core2 Duo

b.      MPICH2-1.2.1p1 (Windows IA32 (binary))

c.       gfortran (version 4.4.0) - MinGW build

Regards,
Vinit Satav


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