PVReaders: Fix for older versions of ParaView in which Qt major version is not defined

applications/utilities/postProcessing/graphics/PVReaders/PVFoamReader/CMakeLists.txt

@@ -81,6 +81,11 @@ IF(${ParaView_VERSION} VERSION_LESS 5.5)
         OpenFOAM
     )
 ELSE()
+    # Assume QT version 5 if it hasn't been defined
+    IF(NOT PARAVIEW_QT_MAJOR_VERSION)
+        set(PARAVIEW_QT_MAJOR_VERSION 5)
+    ENDIF()
+
     # Paraview-5.5.x and higher needs QT libraries listed in the link command
     # in order for the headers to be available
     TARGET_LINK_LIBRARIES(

applications/utilities/postProcessing/graphics/PVReaders/PVFoamReader/vtk/CMakeLists.txt

@@ -6,6 +6,10 @@ SET_TARGET_PROPERTIES(
     LIBRARY_OUTPUT_DIRECTORY "$ENV{PV_PLUGIN_PATH}"
 )
 
+IF(NOT PARAVIEW_QT_MAJOR_VERSION)
+    set(PARAVIEW_QT_MAJOR_VERSION 5)
+ENDIF()
+
 TARGET_LINK_LIBRARIES(
     PVFoamReader_VTK
     LINK_PUBLIC

applications/utilities/postProcessing/graphics/PVReaders/PVblockMeshReader/CMakeLists.txt

@@ -79,6 +79,11 @@ IF(${ParaView_VERSION} VERSION_LESS 5.5)
         OpenFOAM
     )
 ELSE()
+    # Assume QT version 5 if it hasn't been defined
+    IF(NOT PARAVIEW_QT_MAJOR_VERSION)
+        set(PARAVIEW_QT_MAJOR_VERSION 5)
+    ENDIF()
+
     # Paraview-5.5.x and higher needs QT libraries listed in the link command
     # in order for the headers to be available
     TARGET_LINK_LIBRARIES(

applications/utilities/postProcessing/graphics/PVReaders/PVblockMeshReader/vtk/CMakeLists.txt

@@ -6,6 +6,10 @@ SET_TARGET_PROPERTIES(
     LIBRARY_OUTPUT_DIRECTORY "$ENV{PV_PLUGIN_PATH}"
 )
 
+IF(NOT PARAVIEW_QT_MAJOR_VERSION)
+    set(PARAVIEW_QT_MAJOR_VERSION 5)
+ENDIF()
+
 TARGET_LINK_LIBRARIES(
     PVblockMeshReader_VTK
     LINK_PUBLIC