fix Dsm without MPI

libsrc/XdmfDataDesc.cxx

@@ -32,7 +32,9 @@ XdmfDataDesc::XdmfDataDesc() {
   this->NextOffset = 0;
   this->Rank = 1;
   this->ShapeString = 0;
+#ifndef XDMF_NO_MPI
   this->DsmBuffer = NULL;
+#endif
 }
 
 XdmfDataDesc::~XdmfDataDesc() {

libsrc/XdmfElement.cxx

@@ -61,7 +61,9 @@ XdmfElement::XdmfElement() {
     this->ReferenceElement = NULL;
     this->State = XDMF_ELEMENT_STATE_UNINITIALIZED;
     this->CopyReferenceData = 1;
+#ifndef XDMF_NO_MPI
     this->DsmBuffer = NULL;
+#endif
 }
 
 XdmfElement::~XdmfElement() {

libsrc/XdmfTopology.cxx

@@ -585,7 +585,9 @@ if( this->GetClass() == XDMF_UNSTRUCTURED ){
     // cout << "Connection DataItem = " << &Connections << endl;
     XdmfDebug("Reading Connections from DataItem");
     if(Connections.SetDOM(this->DOM) == XDMF_FAIL) return(XDMF_FAIL);
+#ifndef XDMF_NO_MPI
     Connections.SetDsmBuffer(this->DsmBuffer);
+#endif
     if( this->ConnectivityIsMine && this->Connectivity ) delete this->Connectivity;
     if(Connections.SetElement(ConnectionElement, 0) == XDMF_FAIL) return(XDMF_FAIL);
     if(Connections.UpdateInformation() == XDMF_FAIL) return(XDMF_FAIL);