/usr/include/boost/detail/sp_counted_impl.hpp:192: error: template argument 3 is invalid

/usr/include/boost/detail/sp_counted_impl.hpp:198: error: 'a' has not been declared

/usr/include/boost/detail/sp_counted_impl.hpp: In constructor 'boost::detail::sp_counted_impl_pda<P, D, <template-parameter-1-3> >::sp_counted_impl_pda(P, D, int)':

/usr/include/boost/detail/sp_counted_impl.hpp:198: error: 'a' was not declared in this scope

/usr/include/boost/detail/sp_counted_impl.hpp: In member function 'virtual void boost::detail::sp_counted_impl_pda<P, D, <template-parameter-1-3> >::destroy()':

/usr/include/boost/detail/sp_counted_impl.hpp:209: error: expected nested-name-specifier before 'template'

/usr/include/boost/detail/sp_counted_impl.hpp:209: error: expected unqualified-id before 'template'

/usr/include/boost/detail/sp_counted_impl.hpp:211: error: 'A2' was not declared in this scope

/usr/include/boost/detail/sp_counted_impl.hpp:211: error: expected `;' before 'a2'

/usr/include/boost/detail/sp_counted_impl.hpp:214: error: 'a2' was not declared in this scope

 

I’m using gcc 4.1.2.