VTK now explicitly requires CMake 3.3.

CMakeLists.txt

Examples/AMR/Cxx/CMakeLists.txt

Examples/Annotation/Cxx/LabeledMesh/CMakeLists.txt

Examples/Build/vtkLocal/CMakeLists.txt

Examples/Build/vtkMy/CMakeLists.txt

Examples/CMakeLists.txt

Examples/DataManipulation/Cxx/CMakeLists.txt

Examples/GUI/Cocoa/CMakeLists.txt

Examples/GUI/Qt/Events/CMakeLists.txt

Examples/GUI/Qt/FourPaneViewer/CMakeLists.txt

Examples/GUI/Qt/GraphicsView/CMakeLists.txt

Examples/GUI/Qt/ImageViewer/CMakeLists.txt

Examples/GUI/Qt/SimpleView/CMakeLists.txt

Examples/HyperTree/Cxx/CMakeLists.txt

Examples/HyperTree/Cxx/Sphere/CMakeLists.txt

Examples/IO/Cxx/CMakeLists.txt

Examples/ImageProcessing/Cxx/CMakeLists.txt

Examples/Infovis/Cxx/CMakeLists.txt

Examples/Infovis/Cxx/CustomLinkView/CMakeLists.txt

Examples/Infovis/Cxx/EasyView/CMakeLists.txt