[petsc-users] Problem linking code with MS MPI + PETSc

[TAY wee-beng]

Hi,

I am now trying to use MS MPI after compiling with PETSc. I was using 
MPICH before.

During linking, I got the error:

1>Compiling manifest to resources...
1>Microsoft (R) Windows (R) Resource Compiler Version 6.1.6723.1
1>Copyright (C) Microsoft Corporation.  All rights reserved.
1>Linking...
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB1 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB1 imported
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB2 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB2 imported
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB3 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB3 imported
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB4 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB4 imported
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB7 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB7 imported
1>libpetsc.lib(somefort.o) : warning LNK4049: locally defined symbol 
MPIFCMB8 imported
1>libpetsc.lib(f90_fwrap.o) : warning LNK4049: locally defined symbol 
MPIFCMB8 imported
1>libpetsc.lib(pinit.o) : error LNK2019: unresolved external symbol 
MPI_Reduce_scatter_block referenced in function PetscMaxSum
1>libpetsc.lib(mpits.o) : error LNK2001: unresolved external symbol 
MPI_Reduce_scatter_block
1>C:\Obj_tmp\ibm3d_IIB_mpi\Debug\ibm3d_IIB_mpi.exe : fatal error 
LNK1120: 1 unresolved externals
1>


May I know what's wrong?


-- 
Thank you

Yours sincerely,

TAY wee-beng