[OMPI users] mpif90 error with different openmpi editions

[xu]

my code get this error under openmpi 1.6.4 
mpif90 -O2 -m64 -fbounds-check -ffree-line-length-0     -c -o 2dem_mpi.o 
2dem_mpi.f90
Fatal Error: Reading module mpi at line 110 column 30: Expected string
If I use mpif90: Open MPI 1.3.3
It compiles ok. What the problem for this?