Fixing MPI vendor when is openmpi

script/pre_req

@@ -175,6 +175,7 @@ if [ -d "$i_dir/MPI" ]; then
         export PATH="$i_dir/MPI/bin:$PATH"
 fi
 
+is_mpi_openmpi=0
 MPI_valid=no
 if haveProg mpirun; then
 
@@ -188,6 +189,7 @@ if haveProg mpirun; then
 
   if [ x"$version" == x"openmpi" ]; then
 
+    is_mpi_openmpi=1
     # Check if we are compiling with GPU support
 
     if [ x"$gpu_support" == x"1" ]; then

script/set_mpi

@@ -3,7 +3,11 @@
 function set_mpi()
 {
   if [ x"$MPI_valid" == x"yes" ]; then
-        configure_options="$configure_options CXX=mpic++ "
+	if [ is_mpi_openmpi -eq 1 ]; then
+		configure_options="$configure_options CXX=mpic++ --mpivendor=openmpi"
+	else
+        	configure_options="$configure_options CXX=mpic++ "
+	fi
   else
         if [ $call_test_working_mpi_options -eq 1 ]; then
                 test_working_mpi_options