don't call SetDsmBuffer() if no MPI

libsrc/XdmfAttribute.cxx

@@ -254,7 +254,9 @@ if( this->AttributeType == XDMF_ATTRIBUTE_TYPE_NONE ){
 ValuesNode = this->DOM->FindDataElement( 0, Element );
 if( ValuesNode ){
   ValueReader.SetDOM( this->DOM );
+#ifndef XDMF_NO_MPI
   ValueReader.SetDsmBuffer(this->DsmBuffer);
+#endif
   if( this->ValuesAreMine && this->Values ){
     delete this->Values;
     this->Values = NULL;

libsrc/XdmfDataItem.cxx

@@ -115,7 +115,9 @@ XdmfDataItem::Copy(XdmfElement *Source){
     // this->SetDOM(ds->GetDOM());
     this->SetFormat(ds->GetFormat());
     this->SetHeavyDataSetName(ds->GetHeavyDataSetName());
+#ifndef XDMF_NO_MPI
     this->SetDsmBuffer(ds->GetDsmBuffer());
+#endif
     this->DataDesc->CopyType(ds->GetDataDesc());
     this->DataDesc->CopyShape(ds->GetDataDesc());
     this->DataDesc->CopySelection(ds->GetDataDesc());
@@ -466,7 +468,9 @@ XdmfInt32 XdmfDataItem::Update(){
             this->Values->SetDebug(this->GetDebug());
             // this->SetDsmBuffer(this->Values->GetDsmBuffer());
             // cout << "Setting Values Dsm to " << this->DsmBuffer << endl;
+#ifndef XDMF_NO_MPI
             this->Values->SetDsmBuffer(this->DsmBuffer);
+#endif
             if(!((XdmfValuesHDF *)this->Values)->Read(this->Array)){
                 XdmfErrorMessage("Reading Values Failed");
                 return(XDMF_FAIL);
@@ -568,7 +572,9 @@ XdmfInt32 XdmfDataItem::Build(){
         case XDMF_FORMAT_HDF :
             XdmfDebug("Writing Values in HDF Format");
             Values->SetHeavyDataSetName(this->GetHeavyDataSetName());
+#ifndef XDMF_NO_MPI
             Values->SetDsmBuffer(this->GetDsmBuffer());
+#endif
             if(((XdmfValuesHDF *)Values)->Write(this->Array) != XDMF_SUCCESS){
                 XdmfErrorMessage("Writing Values Failed");
                 return(XDMF_FAIL);

libsrc/XdmfGeometry.cxx

@@ -321,7 +321,9 @@ if( ( this->GeometryType == XDMF_GEOMETRY_X_Y_Z ) ||
     if(PointsItem.SetDOM( this->DOM ) == XDMF_FAIL) return(XDMF_FAIL);
     if(PointsItem.SetElement(PointsElement, 0) == XDMF_FAIL) return(XDMF_FAIL);
     if(PointsItem.UpdateInformation() == XDMF_FAIL) return(XDMF_FAIL);
+#ifndef XDMF_NO_MPI
     PointsItem.SetDsmBuffer(this->DsmBuffer);
+#endif
     if(PointsItem.Update() == XDMF_FAIL) return(XDMF_FAIL);
     TmpArray = PointsItem.GetArray();
     if( TmpArray ){
@@ -390,7 +392,9 @@ if( ( this->GeometryType == XDMF_GEOMETRY_X_Y_Z ) ||
   if( this->GeometryType == XDMF_GEOMETRY_ORIGIN_DXDYDZ ) {
       XdmfDataItem PointsItem;
       PointsItem.SetDOM(this->DOM);
+#ifndef XDMF_NO_MPI
       PointsItem.SetDsmBuffer(this->DsmBuffer);
+#endif
       XdmfDebug("Reading Origin and Dx, Dy, Dz" );
       PointsElement = this->DOM->FindDataElement(0, this->Element );
       if( PointsElement ){

libsrc/XdmfGrid.cxx

@@ -214,7 +214,9 @@ XdmfGrid::AssignAttribute( XdmfAttribute *attribute ){
 XdmfInt32 Status = 0;
 
 if( attribute ){
+#ifndef XDMF_NO_MPI
   if(!attribute->GetDsmBuffer()) attribute->SetDsmBuffer(this->DsmBuffer);
+#endif
   attribute->Update();
   // Status = attribute->SetBaseAttribute( this, this->BaseGrid );
   this->AssignedAttribute = attribute;
@@ -481,7 +483,9 @@ if((this->GridType & XDMF_GRID_MASK) != XDMF_GRID_UNIFORM){
     XdmfInt32   i;
     // SubSet, Tree or Collection
     for(i=0; i < this->NumberOfChildren ; i++){
+#ifndef XDMF_NO_MPI
         if(!this->Children[i]->GetDsmBuffer()) this->Children[i]->SetDsmBuffer(this->DsmBuffer);
+#endif
         if(this->Children[i]->Update() == XDMF_FAIL){
             XdmfErrorMessage("Error in Update() of Child Grid " << i);
             return(XDMF_FAIL);
@@ -552,12 +556,16 @@ if((this->GridType & XDMF_GRID_MASK) != XDMF_GRID_UNIFORM){
     }
     return(XDMF_SUCCESS);
 }
+#ifndef XDMF_NO_MPI
 if(!this->Topology->GetDsmBuffer()) this->Topology->SetDsmBuffer(this->DsmBuffer);
+#endif
 if(this->Topology->Update() == XDMF_FAIL){
     XdmfErrorMessage("Error in Update() of Topology");
     return(XDMF_FAIL);
 }
+#ifndef XDMF_NO_MPI
 if(!this->Geometry->GetDsmBuffer()) this->Geometry->SetDsmBuffer(this->DsmBuffer);
+#endif
 if(this->Geometry->Update() == XDMF_FAIL){
     XdmfErrorMessage("Error in Update() of Geometry");
     return(XDMF_FAIL);

libsrc/XdmfValuesHDF.cxx

@@ -54,7 +54,9 @@ XdmfValuesHDF::Read(XdmfArray *anArray){
     }
     XDMF_WORD_TRIM(DataSetName);
     //! Possible Read from DSM. Make sure we're connected.
+#ifndef XDMF_NO_MPI
     if(!this->DsmBuffer) this->SetDsmBuffer(anArray->GetDsmBuffer());
+#endif
     XdmfDebug("Opening HDF5 Data for Reading : " << DataSetName);
     // Allocate Array if Necessary
     if(!RetArray){
@@ -68,7 +70,9 @@ XdmfValuesHDF::Read(XdmfArray *anArray){
         RetArray->CopySelection(this->DataDesc);
         RetArray->Allocate();
     }
+#ifndef XDMF_NO_MPI
     H5.SetDsmBuffer(this->DsmBuffer);
+#endif
     if( H5.Open( DataSetName, "r" ) == XDMF_FAIL ) {
         XdmfErrorMessage("Can't Open Dataset " << DataSetName);
         if(!anArray) delete RetArray;
@@ -128,7 +132,9 @@ XdmfValuesHDF::Write(XdmfArray *anArray, XdmfConstString aHeavyDataSetName){
         }
     }
     // Possible Write to DSM. Make sure we're connected
+#ifndef XDMF_NO_MPI
     if(!this->DsmBuffer) this->SetDsmBuffer(anArray->GetDsmBuffer());
+#endif
     XdmfDebug("Writing Values to " << aHeavyDataSetName);
     if(!this->DataDesc ){
         XdmfErrorMessage("DataDesc has not been set");
@@ -144,7 +150,9 @@ XdmfValuesHDF::Write(XdmfArray *anArray, XdmfConstString aHeavyDataSetName){
     H5.CopyType(this->DataDesc);
     H5.CopyShape(this->DataDesc);
     H5.CopySelection(this->DataDesc);
+#ifndef XDMF_NO_MPI
     H5.SetDsmBuffer(this->DsmBuffer);
+#endif
     if(H5.Open(hds, "rw") == XDMF_FAIL){
         XdmfErrorMessage("Error Opening " << hds << " for Writing");
         delete [] hds ;