/usr/include/boost/fusion/algorithm/ is in libboost1.46-dev 1.46.1-7ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/boost/fusion/algorithm/iteration/
/usr/include/boost/fusion/algorithm/iteration.hpp
/usr/include/boost/fusion/algorithm/iteration/accumulate.hpp
/usr/include/boost/fusion/algorithm/iteration/detail/
/usr/include/boost/fusion/algorithm/iteration/detail/fold.hpp
/usr/include/boost/fusion/algorithm/iteration/detail/for_each.hpp
/usr/include/boost/fusion/algorithm/iteration/ext_/
/usr/include/boost/fusion/algorithm/iteration/ext_/for_each_s.hpp
/usr/include/boost/fusion/algorithm/iteration/fold.hpp
/usr/include/boost/fusion/algorithm/iteration/for_each.hpp
/usr/include/boost/fusion/algorithm/iteration/iter_fold.hpp
/usr/include/boost/fusion/algorithm/iteration/reverse_fold.hpp
/usr/include/boost/fusion/algorithm/iteration/reverse_iter_fold.hpp
/usr/include/boost/fusion/algorithm/query/
/usr/include/boost/fusion/algorithm/query.hpp
/usr/include/boost/fusion/algorithm/query/all.hpp
/usr/include/boost/fusion/algorithm/query/any.hpp
/usr/include/boost/fusion/algorithm/query/count.hpp
/usr/include/boost/fusion/algorithm/query/count_if.hpp
/usr/include/boost/fusion/algorithm/query/detail/
/usr/include/boost/fusion/algorithm/query/detail/all.hpp
/usr/include/boost/fusion/algorithm/query/detail/any.hpp
/usr/include/boost/fusion/algorithm/query/detail/count.hpp
/usr/include/boost/fusion/algorithm/query/detail/count_if.hpp
/usr/include/boost/fusion/algorithm/query/detail/find_if.hpp
/usr/include/boost/fusion/algorithm/query/ext_/
/usr/include/boost/fusion/algorithm/query/ext_/find_if_s.hpp
/usr/include/boost/fusion/algorithm/query/find.hpp
/usr/include/boost/fusion/algorithm/query/find_if.hpp
/usr/include/boost/fusion/algorithm/query/none.hpp
/usr/include/boost/fusion/algorithm/transformation/
/usr/include/boost/fusion/algorithm/transformation.hpp
/usr/include/boost/fusion/algorithm/transformation/clear.hpp
/usr/include/boost/fusion/algorithm/transformation/detail/
/usr/include/boost/fusion/algorithm/transformation/detail/replace.hpp
/usr/include/boost/fusion/algorithm/transformation/detail/replace_if.hpp
/usr/include/boost/fusion/algorithm/transformation/erase.hpp
/usr/include/boost/fusion/algorithm/transformation/erase_key.hpp
/usr/include/boost/fusion/algorithm/transformation/filter.hpp
/usr/include/boost/fusion/algorithm/transformation/filter_if.hpp
/usr/include/boost/fusion/algorithm/transformation/insert.hpp
/usr/include/boost/fusion/algorithm/transformation/insert_range.hpp
/usr/include/boost/fusion/algorithm/transformation/join.hpp
/usr/include/boost/fusion/algorithm/transformation/pop_back.hpp
/usr/include/boost/fusion/algorithm/transformation/pop_front.hpp
/usr/include/boost/fusion/algorithm/transformation/push_back.hpp
/usr/include/boost/fusion/algorithm/transformation/push_front.hpp
/usr/include/boost/fusion/algorithm/transformation/remove.hpp
/usr/include/boost/fusion/algorithm/transformation/remove_if.hpp
/usr/include/boost/fusion/algorithm/transformation/replace.hpp
/usr/include/boost/fusion/algorithm/transformation/replace_if.hpp
/usr/include/boost/fusion/algorithm/transformation/reverse.hpp
/usr/include/boost/fusion/algorithm/transformation/transform.hpp
/usr/include/boost/fusion/algorithm/transformation/zip.hpp