Index: ParaView-3.14.0-Source/VTK/Rendering/vtkFreeTypeUtilities.cxx
===================================================================
--- ParaView-3.14.0-Source.orig/VTK/Rendering/vtkFreeTypeUtilities.cxx
+++ ParaView-3.14.0-Source/VTK/Rendering/vtkFreeTypeUtilities.cxx
@@ -31,6 +31,7 @@
 #include "fonts/vtkEmbeddedFonts.h"
 
 #include <sys/stat.h>
+#include <unistd.h>
 
 #ifdef FTGL_USE_NAMESPACE
 using namespace ftgl;
Index: ParaView-3.14.0-Source/VTK/Rendering/vtkFreeTypeTools.cxx
===================================================================
--- ParaView-3.14.0-Source.orig/VTK/Rendering/vtkFreeTypeTools.cxx
+++ ParaView-3.14.0-Source/VTK/Rendering/vtkFreeTypeTools.cxx
@@ -13,6 +13,7 @@
 
 =========================================================================*/
 
+#include <unistd.h>
 #include "vtkFreeTypeTools.h"
 
 #include "vtkTextProperty.h"
Index: ParaView-3.14.0-Source/Utilities/Xdmf2/vtk/Testing/Cxx/XdmfTestVTKIO.cxx
===================================================================
--- ParaView-3.14.0-Source.orig/Utilities/Xdmf2/vtk/Testing/Cxx/XdmfTestVTKIO.cxx
+++ ParaView-3.14.0-Source/Utilities/Xdmf2/vtk/Testing/Cxx/XdmfTestVTKIO.cxx
@@ -21,6 +21,7 @@
 //files around for inspection. Otherwise it deletes the temporary files it
 //creates and returns success.
 
+#include <unistd.h>
 #include "vtkXdmfWriter.h"
 
 #include "vtkCellData.h"