--- openmpi-4.0.0_orig/ompi/include/mpi.h.in	2018-11-12 23:50:53.000000000 +0330
+++ openmpi-4.0.0/ompi/include/mpi.h.in		2019-01-30 22:04:14.433503290 +0330
@@ -325,7 +325,11 @@
  * when building OMPI).
  */
 #if !OMPI_BUILDING
+#if defined(c_plusplus) || defined(__cplusplus)
+#define OMPI_PREDEFINED_GLOBAL(type, global) (static_cast<type> (static_cast<void *> (&(global))))
+#else
 #define OMPI_PREDEFINED_GLOBAL(type, global) ((type) ((void *) &(global)))
+#endif
 #else
 #define OMPI_PREDEFINED_GLOBAL(type, global) ((type) &(global))
 #endif
@@ -765,8 +769,13 @@
  */
 #define MPI_INFO_ENV OMPI_PREDEFINED_GLOBAL(MPI_Info, ompi_mpi_info_env)
 
+#if defined(c_plusplus) || defined(__cplusplus)
+#define MPI_STATUS_IGNORE (static_cast<MPI_Status *> (0))
+#define MPI_STATUSES_IGNORE (static_cast<MPI_Status *> (0))
+#else
 #define MPI_STATUS_IGNORE ((MPI_Status *) 0)
 #define MPI_STATUSES_IGNORE ((MPI_Status *) 0)
+#endif
 
 /*
  * Special MPI_T handles