Fixes after testing with mpich-3.0.1

mpi.cfg

@@ -42,11 +42,11 @@
 # MPICH3 example
 # --------------
 [mpich3]
-mpi_dir              = /home/devel/mpi/mpich-3.0rc1
+mpi_dir              = /home/devel/mpi/mpich-3.0.1
 mpicc                = %(mpi_dir)s/bin/mpicc
 mpicxx               = %(mpi_dir)s/bin/mpicxx
 #include_dirs         = %(mpi_dir)s/include
-#libraries            = mpich opa mpl rt
+#libraries            = mpich opa mpl rt pthread
 #library_dirs         = %(mpi_dir)s/lib
 #runtime_library_dirs = %(library_dirs)s
 
@@ -128,6 +128,7 @@ include_dirs = %(mpi_dir)s\include
 libraries = mpi
 library_dirs = %(mpi_dir)s\lib
 
+
 # MPICH2 example (Windows)
 # ------------------------
 [mpich2-windows]

src/compat/mpich3.h

@@ -1,4 +1,29 @@
 #ifndef PyMPI_COMPAT_MPICH3_H
 #define PyMPI_COMPAT_MPICH3_H
 
+#if defined(MPICH_NUMVERSION) && (MPICH_NUMVERSION < 30100000)
+
+static int PyMPI_MPICH3_MPI_Type_size_x(MPI_Datatype datatype, MPI_Count *size)
+{
+  int ierr = MPI_Type_commit(&datatype); if (ierr) return ierr;
+  return MPI_Type_size_x(datatype,size);
+}
+#define MPI_Type_size_x PyMPI_MPICH3_MPI_Type_size_x
+
+static int PyMPI_MPICH3_MPI_Type_get_extent_x(MPI_Datatype datatype, MPI_Count *lb, MPI_Count *extent)
+{
+  int ierr = MPI_Type_commit(&datatype); if (ierr) return ierr;
+  return MPI_Type_get_extent_x(datatype,lb,extent);
+}
+#define MPI_Type_get_extent_x PyMPI_MPICH3_MPI_Type_get_extent_x
+
+static int PyMPI_MPICH3_MPI_Type_get_true_extent_x(MPI_Datatype datatype, MPI_Count *lb, MPI_Count *extent)
+{
+  int ierr = MPI_Type_commit(&datatype); if (ierr) return ierr;
+  return MPI_Type_get_true_extent_x(datatype,lb,extent);
+}
+#define MPI_Type_get_true_extent_x PyMPI_MPICH3_MPI_Type_get_true_extent_x
+
+#endif
+
 #endif /* !PyMPI_COMPAT_MPICH3_H */