It appears simply including it cause problems

#include <boost/serialization/shared_ptr.hpp>   

gcc.compile.c++ bin/gcc-4.5/debug/test/TestStr.o
In file included from /var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr.hpp:28:0,
                 from test/TestStr.cpp:27:
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp: In static member function ‘static const boost::serialization::extended_type_info* boost::serialization::shared_ptr_helper<SPT>::non_polymorphic::get_object_type(U&)’:
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:107:22: error: ‘singleton’ is not a member of ‘boost::serialization’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:110:13: error: expected ‘(’ before ‘>’ token
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:110:14: error: ‘::get_const_instance’ has not been declared
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp: In static member function ‘static const boost::serialization::extended_type_info* boost::serialization::shared_ptr_helper<SPT>::polymorphic::get_object_type(U&)’:
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:117:20: error: ‘singleton’ is not a member of ‘boost::serialization’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:120:13: error: expected ‘(’ before ‘>’ token
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:120:14: error: ‘::get_const_instance’ has not been declared
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp: In member function ‘void boost::serialization::shared_ptr_helper<SPT>::reset(SPT<T>&, T*)’:
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:152:30: error: invalid use of incomplete type ‘const struct boost::serialization::extended_type_info’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:42:7: error: forward declaration of ‘const struct boost::serialization::extended_type_info’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:167:30: error: invalid use of incomplete type ‘const struct boost::serialization::extended_type_info’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:42:7: error: forward declaration of ‘const struct boost::serialization::extended_type_info’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:168:30: error: invalid use of incomplete type ‘const struct boost::serialization::extended_type_info’
/var/tmp/ma0/boost/boost_1_56_0/boost/serialization/shared_ptr_helper.hpp:42:7: error: forward declaration of ‘const struct boost::serialization::extended_type_info’

    "g++"  -ftemplate-depth-128 -fPIC -O0 -fno-inline -Wall -g -fPIC  -DDEBUG  -I"../ACore/src" -I"/var/tmp/ma0/boost/boost_1_56_0" -c -o "bin/gcc-4.5/debug/test/TestStr.o" "test/TestStr.cpp"