// Hackish wrapper around the ClipperLib library to compile the Clipper library with the Z support. #ifndef clipper_z_hpp #ifdef clipper_hpp #error "You should include clipper_z.hpp before clipper.hpp" #endif #define clipper_z_hpp // Enable the Z coordinate support. #define CLIPPERLIB_USE_XYZ #include "clipper.hpp" #undef clipper_hpp #undef CLIPPERLIB_USE_XYZ #endif // clipper_z_hpp