/usr/include/mapnik/util/ is in libmapnik-dev 2.2.0+ds1-7+b2.
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/usr/include/mapnik/util/container_adapter.hpp
/usr/include/mapnik/util/conversions.hpp
/usr/include/mapnik/util/dasharray_parser.hpp
/usr/include/mapnik/util/deepcopy.hpp
/usr/include/mapnik/util/fs.hpp
/usr/include/mapnik/util/geometry_svg_generator.hpp
/usr/include/mapnik/util/geometry_to_ds_type.hpp
/usr/include/mapnik/util/geometry_to_svg.hpp
/usr/include/mapnik/util/geometry_to_wkb.hpp
/usr/include/mapnik/util/geometry_to_wkt.hpp
/usr/include/mapnik/util/geometry_wkt_generator.hpp
/usr/include/mapnik/util/hsl.hpp
/usr/include/mapnik/util/path_iterator.hpp
/usr/include/mapnik/util/trim.hpp