diff -up VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c.gcc10 VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c
--- VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c.gcc10	2019-01-30 10:15:13.000000000 -0700
+++ VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_create_par.c	2020-05-08 21:38:46.401363001 -0600
@@ -614,5 +614,5 @@ int ex_create_par_int(const char *path,
  * 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 -up VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c.gcc10 VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c
--- VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c.gcc10	2019-01-30 10:15:13.000000000 -0700
+++ VTK-8.2.0/ThirdParty/exodusII/vtkexodusII/src/ex_open_par.c	2020-05-08 21:38:46.402363007 -0600
@@ -474,5 +474,5 @@ int ex_open_par_int(const char *path, in
  * 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 -up VTK-8.2.0/CMake/VTKGenerateExportHeader.cmake.gcc10 VTK-8.2.0/CMake/VTKGenerateExportHeader.cmake
--- VTK-8.2.0/CMake/VTKGenerateExportHeader.cmake.gcc10	2019-01-30 10:15:13.000000000 -0700
+++ VTK-8.2.0/CMake/VTKGenerateExportHeader.cmake	2020-05-26 21:07:24.625840251 -0600
@@ -174,7 +174,7 @@ macro(_vtk_test_compiler_hidden_visibili
     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}")
     # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
     # patch level, handle this here: