../src/libslic3r/CutSurface.cpp:368:110: error: cannot bind non-const lvalue reference of type 'CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Edge_index, priv::IntersectingElement>&' to an rvalue of type 'CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Edge_index, priv::IntersectingElement>'
../src/libslic3r/CutSurface.cpp:369:110: error: cannot bind non-const lvalue reference of type 'CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Face_index, priv::IntersectingElement>&' to an rvalue of type 'CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick> >::Property_map<CGAL::SM_Face_index, priv::IntersectingElement>'
../src/libslic3r/CutSurface.cpp:482:41: warning: comparison of integer expressions of different signedness: 'int32_t' {aka 'int'} and 'std::vector<CGAL::SM_Vertex_index, std::allocator<CGAL::SM_Vertex_index> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
../src/libslic3r/CutSurface.cpp:522:12: warning: unused variable 'count' [-Wunused-variable]
../src/libslic3r/CutSurface.cpp:1041:15: warning: unused variable 'color' [-Wunused-variable]