[vtk-developers] Overriding member functions warnings with recent versions of clang/LLVM.

[Andrew Maclean]

If you build VTK on OX X El Capitan with LLVM 7.3.0 you will get lots of
these warnings:
-------
warning: 'PrintSelf' overrides a member function but is not marked
'override' [-Winconsistent-missing-override]

  virtual void PrintSelf(ostream& os, vtkIndent indent);
-------
To suppress them just add:
-Wno-inconsistent-missing-override to CMAKE_CXX_FLAGS.

Apparently the -Winconsistent-missing-override flag now automatically gets
added with -Wall on recent versions of clang.

Regards
Andrew

-- 
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Andrew J. P. Maclean

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