/usr/include/boost/geometry/util/ is in libboost1.65-dev 1.65.1+dfsg-0ubuntu5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/boost/geometry/util/add_const_if_c.hpp
/usr/include/boost/geometry/util/bare_type.hpp
/usr/include/boost/geometry/util/calculation_type.hpp
/usr/include/boost/geometry/util/closure_as_bool.hpp
/usr/include/boost/geometry/util/combine_if.hpp
/usr/include/boost/geometry/util/compress_variant.hpp
/usr/include/boost/geometry/util/condition.hpp
/usr/include/boost/geometry/util/coordinate_cast.hpp
/usr/include/boost/geometry/util/for_each_coordinate.hpp
/usr/include/boost/geometry/util/has_infinite_coordinate.hpp
/usr/include/boost/geometry/util/has_nan_coordinate.hpp
/usr/include/boost/geometry/util/has_non_finite_coordinate.hpp
/usr/include/boost/geometry/util/math.hpp
/usr/include/boost/geometry/util/normalize_spheroidal_box_coordinates.hpp
/usr/include/boost/geometry/util/normalize_spheroidal_coordinates.hpp
/usr/include/boost/geometry/util/order_as_direction.hpp
/usr/include/boost/geometry/util/parameter_type_of.hpp
/usr/include/boost/geometry/util/promote_floating_point.hpp
/usr/include/boost/geometry/util/promote_integral.hpp
/usr/include/boost/geometry/util/range.hpp
/usr/include/boost/geometry/util/rational.hpp
/usr/include/boost/geometry/util/select_calculation_type.hpp
/usr/include/boost/geometry/util/select_coordinate_type.hpp
/usr/include/boost/geometry/util/select_most_precise.hpp
/usr/include/boost/geometry/util/transform_variant.hpp