/usr/include/boost/geometry/policies/ is in libboost1.58-dev 1.58.0+dfsg-5ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/boost/geometry/policies/compare.hpp
/usr/include/boost/geometry/policies/disjoint_interrupt_policy.hpp
/usr/include/boost/geometry/policies/is_valid/
/usr/include/boost/geometry/policies/is_valid/default_policy.hpp
/usr/include/boost/geometry/policies/is_valid/failing_reason_policy.hpp
/usr/include/boost/geometry/policies/is_valid/failure_type_policy.hpp
/usr/include/boost/geometry/policies/predicate_based_interrupt_policy.hpp
/usr/include/boost/geometry/policies/relate/
/usr/include/boost/geometry/policies/relate/de9im.hpp
/usr/include/boost/geometry/policies/relate/direction.hpp
/usr/include/boost/geometry/policies/relate/intersection_points.hpp
/usr/include/boost/geometry/policies/relate/intersection_ratios.hpp
/usr/include/boost/geometry/policies/relate/tupled.hpp
/usr/include/boost/geometry/policies/robustness/
/usr/include/boost/geometry/policies/robustness/get_rescale_policy.hpp
/usr/include/boost/geometry/policies/robustness/no_rescale_policy.hpp
/usr/include/boost/geometry/policies/robustness/rescale_policy.hpp
/usr/include/boost/geometry/policies/robustness/robust_point_type.hpp
/usr/include/boost/geometry/policies/robustness/robust_type.hpp
/usr/include/boost/geometry/policies/robustness/segment_ratio.hpp
/usr/include/boost/geometry/policies/robustness/segment_ratio_type.hpp