# fix for compiling with VTK 9.3
https://github.com/FreeCAD/FreeCAD/pull/11496/commits/68d380a64e033c40fcb9a6dc322d9e0178de52ee
Bug: https://forum.freecad.org/viewtopic.php?t=82814
patch by adrianinsaval (commited in 68d380a64e033c40fcb9a6dc322d9e0178de52ee)

--- a/src/3rdParty/salomesmesh/inc/SMESH_SMDS.hxx
+++ b/src/3rdParty/salomesmesh/inc/SMESH_SMDS.hxx
@@ -39,10 +39,6 @@
  #define SMDS_EXPORT
 #endif
 
-#ifdef VTK_HAS_MTIME_TYPE
 #define VTK_MTIME_TYPE vtkMTimeType
-#else
-#define VTK_MTIME_TYPE unsigned long
-#endif
 
 #endif
--- a/src/3rdParty/salomesmesh/src/SMDS/SMDS_UnstructuredGrid.cpp
+++ b/src/3rdParty/salomesmesh/src/SMDS/SMDS_UnstructuredGrid.cpp
@@ -1026,7 +1026,12 @@ void SMDS_UnstructuredGrid::BuildLinks()
   GetLinks()->Allocate(this->GetNumberOfPoints());
   GetLinks()->Register(this);
 //FIXME: vtk9
+#if VTK_VERSION_NUMBER < VTK_VERSION_CHECK(9,3,0)
   GetLinks()->BuildLinks(this);
+#else
+  GetLinks()->SetDataSet(this);
+  GetLinks()->BuildLinks();
+#endif
   GetLinks()->Delete();
 #else
   this->links = smds_celllinks::new();