In file included from /var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-1.13.3-release/Data/src/AbstractPreparation.cpp:15:
In file included from /var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-1.13.3-release/Data/include/Poco/Data/AbstractPreparation.h:21:
In file included from /var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-1.13.3-release/Data/include/Poco/Data/Data.h:23:
In file included from /var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-1.13.3-release/Foundation/include/Poco/Foundation.h:94:
/usr/include/c++/v1/string:820:42: error: implicit instantiation of undefined template 'std::char_traits<unsigned char>'
  820 |   static_assert(is_same<_CharT, typename traits_type::char_type>::value,
      |                                          ^
/usr/include/c++/v1/__type_traits/is_constructible.h:42:62: note: in instantiation of template class 'std::basic_string<unsigned char>' requested here
   42 |     : public integral_constant<bool, __is_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {};
      |                                                              ^
/usr/include/c++/v1/__type_traits/is_swappable.h:43:39: note: in instantiation of template class 'std::is_move_constructible<Poco::Data::LOB<unsigned char>>' requested here
   43 | using __swap_result_t = __enable_if_t<is_move_constructible<_Tp>::value && is_move_assignable<_Tp>::value>;
      |                                       ^
/usr/include/c++/v1/__type_traits/is_swappable.h:50:60: note: in instantiation of template type alias '__swap_result_t' requested here
   50 | inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __swap_result_t<_Tp> swap(_Tp& __x, _Tp& __y)
      |                                                            ^
/var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-1.13.3-release/Data/include/Poco/Data/LOB.h:243:14: note: while substituting explicitly-specified template arguments into function template 'swap' 
  243 |         inline void swap<Poco::Data::BLOB>(Poco::Data::BLOB& b1, Poco::Data::BLOB& b2) noexcept
      |                     ^
/usr/include/c++/v1/__fwd/string.h:23:29: note: template is declared here
   23 | struct _LIBCPP_TEMPLATE_VIS char_traits;
      |                             ^