In file included from /usr/include/vtk-7.1/vtkXMLDataReader.h:31:
/usr/include/vtk-7.1/vtkXMLReader.h:47:8: warning: 'PrintSelf' overrides a
member function but is not marked 'override'
[-Winconsistent-missing-override]
void PrintSelf(ostream& os, vtkIndent indent);
^
/usr/include/vtk-7.1/vtkAlgorithm.h:58:8: note: overridden virtual function is
here
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
^
Lots of them. See https://travis-ci.com/github/GollyGang/ready/jobs/477516759