Found the following significant warnings:
  /data/gannet/ripley/R/test-clang/RcppCGAL/include/CGAL/Partition_2/Rotation_tree_2.h:81:7: warning: ignoring return value of function declared with 'nodiscard' attribute [-Wunused-result]
See ‘/data/gannet/ripley/R/packages/tests-clang/cgalPolygons.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 16.0.1’
installed size is  7.1Mb
  sub-directories of 1Mb or more:
    libs   6.9Mb
installed size is 176.8Mb
  sub-directories of 1Mb or more:
    libs  176.6Mb
installed size is 140.6Mb
  sub-directories of 1Mb or more:
    libs  140.4Mb
installed size is  5.3Mb
  sub-directories of 1Mb or more:
    libs   5.2Mb
installed size is 176.8Mb
  sub-directories of 1Mb or more:
    libs  176.6Mb
Installation failed.
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.2/cgalPolygons.Rcheck/00install.out’ for details.
installed size is  5.4Mb
  sub-directories of 1Mb or more:
    libs   5.3Mb
Installation failed.
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.1/cgalPolygons.Rcheck/00install.out’ for details.
Found the following significant warnings:
  d:/RCompile/CRANpkg/lib/4.1/BH/include/boost/container/detail/copy_move_algo.hpp:226:19: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'value_type' {aka 'struct std::pair<CGAL::internal::CC_iterator<CGAL::Compact_container<CGAL::Constrained_triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_triangulation_decomposition_2<CGAL::Epeck>::Face_info, CGAL::Epeck, CGAL::Triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_ds_face_base_2<CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Epeck, CGAL::Triangulation_ds_vertex_base_2<void> >, CGAL::Constrained_triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_face_base_with_info_2<CGAL::Polygon_triangulation_decomposition_2<CGAL::Epeck>::Face_info, CGAL::Epeck, CGAL::Triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_ds_face_base_2<void> > > > > > > > >, CGAL::Default, CGAL::Default, CGAL::Default>, false>, int>'} with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
See 'd:/Rcompile/CRANpkg/local/4.1/cgalPolygons.Rcheck/00install.out' for details.
installed size is 10.6Mb
  sub-directories of 1Mb or more:
    libs  10.4Mb