diff -ruN ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/update.sh ParaView-5.6.3/VTK/ThirdParty/exodusII/update.sh
--- ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/update.sh	2020-07-21 15:19:12.222819909 +0100
+++ ParaView-5.6.3/VTK/ThirdParty/exodusII/update.sh	2020-07-21 15:20:44.225343632 +0100
@@ -8,7 +8,7 @@
 readonly ownership="Seacas Upstream <kwrobot@kitware.com>"
 readonly subtree="ThirdParty/$name/vtk$name"
 readonly repo="https://gitlab.kitware.com/third-party/seacas.git"
-readonly tag="for/vtk-old"
+readonly tag="for/vtk-20200128-7.24f-v2019-12-1"
 readonly paths="
 packages/seacas/libraries/exodus/CMakeLists.vtk.txt
 packages/seacas/libraries/exodus/cmake/exodus_config.h.in
diff -ruN ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c ParaView-5.6.3/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c
--- ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c	2020-07-21 15:19:12.222819909 +0100
+++ ParaView-5.6.3/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c	2020-07-21 15:20:23.112764495 +0100
@@ -614,5 +614,5 @@
  * Prevent warning in some versions of ranlib(1) because the object
  * file has no symbols.
  */
-const char exodus_unused_symbol_dummy_1;
+const char exodus_unused_symbol_dummy_ex_create_par;
 #endif
diff -ruN ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c ParaView-5.6.3/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c
--- ParaView-5.6.3.orig/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c	2020-07-21 15:19:12.226820018 +0100
+++ ParaView-5.6.3/VTK/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c	2020-07-21 15:20:31.833003698 +0100
@@ -474,5 +474,5 @@
  * Prevent warning in some versions of ranlib(1) because the object
  * file has no symbols.
  */
-const char exodus_unused_symbol_dummy_1;
+const char exodus_unused_symbol_dummy_ex_open_par;
 #endif
diff -ruN ParaView-5.6.3.orig/VTK/CMake/VTKGenerateExportHeader.cmake ParaView-5.6.3/VTK/CMake/VTKGenerateExportHeader.cmake
--- ParaView-5.6.3.orig/VTK/CMake/VTKGenerateExportHeader.cmake  2020-05-24 14:33:12.154603698 -0600
+++ ParaView-5.6.3/VTK/CMake/VTKGenerateExportHeader.cmake  2020-05-24 14:33:34.864603776 -0600
@@ -174,8 +174,12 @@
     execute_process(COMMAND ${CMAKE_C_COMPILER} --version
       OUTPUT_VARIABLE _gcc_version_info
       ERROR_VARIABLE _gcc_version_info)
-    string(REGEX MATCH "[3-9]\\.[0-9]\\.[0-9]*"
+    string(REGEX MATCH "[1-9][0-9]\\.[0-9]\\.[0-9]*"
       _gcc_version "${_gcc_version_info}")
+    if(NOT _gcc_version)
+      string(REGEX MATCH "[3-9]\\.[0-9]\\.[0-9]*"
+        _gcc_version "${_gcc_version_info}")
+    endif()
     # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
     # patch level, handle this here:
     if(NOT _gcc_version)