Troubles in windows

Hi, I’m trying to build LAMMPS in Windows 7 with aid of Microsoft Visual Studio 2010. But I’m getting this errors:

1>pair_lj_cut_coul_long.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pppm.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>fix_qeq_comb.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_comb.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>variable.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>write_restart.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>read_data.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>read_restart.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>replicate.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>set.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_lj96_cut.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_lj_cut.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_lj_cut_coul_cut.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_lj_expand.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>neighbor.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_born.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_buck.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>pair_buck_coul_cut.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>min_linesearch.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
1>min_quickmin.obj : error LNK2001: unresolved external symbol _MPI_Allreduce
I would really appreciate a little bit of help.

Thanks !

Apparently you are not linking with an MPI library.

Steve