In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:65:
.../boost/polygon/polygon_90_set_traits.hpp:170:79: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename is_manhattan_polygonal_concept<typename geometry_concept<T>::type>::type type;
                                                                              ^
.../boost/polygon/detail/polygon_90_set_view.hpp:308:14: note: in instantiation of template class 'boost::polygon::is_polygon_90_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
    typename is_polygon_90_set_type<geometry_type_2>::type>::type,
             ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:76:
.../boost/polygon/polygon_45_set_concept.hpp:22:61: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_90_set_type<T>::type >::type type;
                                                            ^
.../boost/polygon/detail/polygon_45_set_view.hpp:223:53: note: in instantiation of template class 'boost::polygon::is_polygon_45_or_90_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
                                           typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
                                                    ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:75:
.../boost/polygon/polygon_45_set_traits.hpp:43:72: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename is_45_polygonal_concept<typename geometry_concept<T>::type>::type type;
                                                                       ^
.../boost/polygon/polygon_45_set_concept.hpp:22:38: note: in instantiation of template class 'boost::polygon::is_polygon_45_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
    typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_90_set_type<T>::type >::type type;
                                     ^
.../boost/polygon/detail/polygon_45_set_view.hpp:223:53: note: in instantiation of template class 'boost::polygon::is_polygon_45_or_90_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
                                           typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
                                                    ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:76:
.../boost/polygon/polygon_45_set_concept.hpp:22:103: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_90_set_type<T>::type >::type type;
                                                                                                      ^
.../boost/polygon/detail/polygon_45_set_view.hpp:223:53: note: in instantiation of template class 'boost::polygon::is_polygon_45_or_90_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
                                           typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
                                                    ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:76:
.../boost/polygon/polygon_45_set_concept.hpp:17:103: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_45_set_type<T2>::type >::type type;
                                                                                                      ^~
.../boost/polygon/detail/polygon_45_set_view.hpp:224:53: note: in instantiation of template class 'boost::polygon::is_either_polygon_45_set_type<int, (anonymous enum at bp_warn.cc:5:1)>' requested here
                                           typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type,
                                                    ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:81:
In file included from .../boost/polygon/polygon_set_data.hpp:1004:
.../boost/polygon/polygon_set_concept.hpp:21:67: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_45_or_90_set_type<T>::type, typename is_polygon_set_type<T>::type >::type type;
                                                                  ^
.../boost/polygon/polygon_set_concept.hpp:334:14: note: in instantiation of template class 'boost::polygon::is_any_polygon_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
    typename is_any_polygon_set_type<geometry_type_2>::type,
             ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:81:
In file included from .../boost/polygon/polygon_set_data.hpp:1004:
.../boost/polygon/polygon_set_concept.hpp:21:106: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_45_or_90_set_type<T>::type, typename is_polygon_set_type<T>::type >::type type;
                                                                                                         ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:81:
In file included from .../boost/polygon/polygon_set_data.hpp:1001:
.../boost/polygon/polygon_set_traits.hpp:45:69: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename is_polygonal_concept<typename geometry_concept<T>::type>::type type;
                                                                    ^
.../boost/polygon/polygon_set_concept.hpp:21:86: note: in instantiation of template class 'boost::polygon::is_polygon_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
    typedef typename gtl_or<typename is_polygon_45_or_90_set_type<T>::type, typename is_polygon_set_type<T>::type >::type type;
                                                                                     ^
.../boost/polygon/polygon_set_concept.hpp:334:14: note: in instantiation of template class 'boost::polygon::is_any_polygon_set_type<(anonymous enum at bp_warn.cc:5:1)>' requested here
    typename is_any_polygon_set_type<geometry_type_2>::type,
             ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
In file included from bp_warn.cc:1:
In file included from .../boost/polygon/polygon.hpp:81:
In file included from .../boost/polygon/polygon_set_data.hpp:1004:
.../boost/polygon/polygon_set_concept.hpp:16:97: error: template argument uses unnamed type [-Werror,-Wunnamed-type-template-args]
    typedef typename gtl_or<typename is_polygon_set_type<T>::type, typename is_polygon_set_type<T2>::type >::type type;
                                                                                                ^~
.../boost/polygon/polygon_set_concept.hpp:335:14: note: in instantiation of template class 'boost::polygon::is_either_polygon_set_type<int, (anonymous enum at bp_warn.cc:5:1)>' requested here
    typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type,
             ^
bp_warn.cc:10:14: note: while substituting deduced template arguments into function template 'operator*' [with geometry_type_1 = int, geometry_type_2 = (anonymous enum at bp_warn.cc:5:1)]
    return 2 * YES;
             ^
bp_warn.cc:5:1: note: unnamed type used in template argument was declared here
enum { NO=0, YES=1 };
^
9 errors generated.