Hi, Boosters! Volodya, thanks for nice and helpful library: boost_program_options. But, I have some trouble with that cool lib: when I build my little program by toolset msvc-9.0 with dynamic boost_program_option, I get build log: ==================================================================== ...patience... ...found 1518 targets... ...updating 38 targets... common.mkdir C:\projects\ms_dotconf\bin.tmp common.mkdir C:\projects\ms_dotconf\bin.tmp\libs common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree\test common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0 common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug common.mkdir C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi common.mkdir c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\cmdline.obj cmdline.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(120) : warning C4251: 'boost::program_options::option_description::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::option_description' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(219) : warning C4251: 'boost::program_options::options_description::m_options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::option_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(225) : warning C4251: 'boost::program_options::options_description::belong_to_group' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(230) : warning C4251: 'boost::program_options::options_description::groups' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::options_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(120) : warning C4251: 'boost::program_options::detail::cmdline::args' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(127) : warning C4251: 'boost::program_options::detail::cmdline::m_additional_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::pair<std::string,std::string>, T0=const std::string & ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(128) : warning C4251: 'boost::program_options::detail::cmdline::m_style_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::vector<boost::program_options::option>, T0=std::vector<std::string> & ] c:\devtools\libs\boost_1_40_0\libs\program_options\src\cmdline.cpp(272) : warning C4800: 'int' : forcing value to bool 'true' or 'false' (performance warning) compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\config_file.obj config_file.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\options_description.obj options_description.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(120) : warning C4251: 'boost::program_options::option_description::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::option_description' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(219) : warning C4251: 'boost::program_options::options_description::m_options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::option_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(225) : warning C4251: 'boost::program_options::options_description::belong_to_group' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(230) : warning C4251: 'boost::program_options::options_description::groups' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::options_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(120) : warning C4251: 'boost::program_options::detail::cmdline::args' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(127) : warning C4251: 'boost::program_options::detail::cmdline::m_additional_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::pair<std::string,std::string>, T0=const std::string & ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(128) : warning C4251: 'boost::program_options::detail::cmdline::m_style_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::vector<boost::program_options::option>, T0=std::vector<std::string> & ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(56) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ _Ty=boost::program_options::basic_option<wchar_t> ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(61) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::utf8_encoded_options' : class 'boost::program_options::basic_parsed_options<charT>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ charT=char ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\parsers.obj parsers.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(120) : warning C4251: 'boost::program_options::option_description::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::option_description' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(219) : warning C4251: 'boost::program_options::options_description::m_options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::option_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(225) : warning C4251: 'boost::program_options::options_description::belong_to_group' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(230) : warning C4251: 'boost::program_options::options_description::groups' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::options_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(120) : warning C4251: 'boost::program_options::detail::cmdline::args' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(127) : warning C4251: 'boost::program_options::detail::cmdline::m_additional_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::pair<std::string,std::string>, T0=const std::string & ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(128) : warning C4251: 'boost::program_options::detail::cmdline::m_style_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::vector<boost::program_options::option>, T0=std::vector<std::string> & ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(56) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ _Ty=boost::program_options::basic_option<wchar_t> ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(61) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::utf8_encoded_options' : class 'boost::program_options::basic_parsed_options<charT>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ charT=char ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\variables_map.obj variables_map.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(120) : warning C4251: 'boost::program_options::option_description::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::option_description' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(219) : warning C4251: 'boost::program_options::options_description::m_options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::option_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(225) : warning C4251: 'boost::program_options::options_description::belong_to_group' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(230) : warning C4251: 'boost::program_options::options_description::groups' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::options_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(120) : warning C4251: 'boost::program_options::detail::cmdline::args' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(127) : warning C4251: 'boost::program_options::detail::cmdline::m_additional_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::pair<std::string,std::string>, T0=const std::string & ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(128) : warning C4251: 'boost::program_options::detail::cmdline::m_style_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::vector<boost::program_options::option>, T0=std::vector<std::string> & ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(56) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ _Ty=boost::program_options::basic_option<wchar_t> ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(61) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::utf8_encoded_options' : class 'boost::program_options::basic_parsed_options<charT>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ charT=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(83) : warning C4251: 'boost::program_options::variable_value::v' : class 'boost::any' needs to have dll-interface to be used by clients of class 'boost::program_options::variable_value' c:\devtools\libs\boost_1_40_0\boost/any.hpp(25) : see declaration of 'boost::any' c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(90) : warning C4251: 'boost::program_options::variable_value::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::variable_value' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(142) : warning C4251: 'std::_Tmap_traits<_Kty,_Ty,_Pr,_Alloc,_Mfl>::comp' : struct 'std::less<_Ty>' needs to have dll-interface to be used by clients of class 'std::_Tmap_traits<_Kty,_Ty,_Pr,_Alloc,_Mfl>' with [ _Kty=std::string, _Ty=boost::program_options::variable_value, _Pr=std::less<std::string>, _Alloc=std::allocator<std::pair<const std::string,boost::program_options::variable_value>>, _Mfl=false ] and [ _Ty=std::string ] and [ _Kty=std::string, _Ty=boost::program_options::variable_value, _Pr=std::less<std::string>, _Alloc=std::allocator<std::pair<const std::string,boost::program_options::variable_value>>, _Mfl=false ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(142) : warning C4251: 'std::_Tree_nod<_Traits>::_Alnod' : class 'std::allocator<_Ty>' needs to have dll-interface to be used by clients of class 'std::_Tree_nod<_Traits>' with [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] and [ _Ty=std::_Tree_nod<std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false>>::_Node ] and [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(142) : warning C4251: 'std::_Tree_ptr<_Traits>::_Alptr' : class 'std::allocator<_Ty>' needs to have dll-interface to be used by clients of class 'std::_Tree_ptr<_Traits>' with [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] and [ _Ty=std::_Tree_nod<std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false>>::_Node * ] and [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(142) : warning C4251: 'std::_Tree_val<_Traits>::_Alval' : class 'std::allocator<_Ty>' needs to have dll-interface to be used by clients of class 'std::_Tree_val<_Traits>' with [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] and [ _Ty=std::pair<const std::string,boost::program_options::variable_value> ] and [ _Traits=std::_Tmap_traits<std::string,boost::program_options::variable_value,std::less<std::string>,std::allocator<std::pair<const std::string,boost::program_options::variable_value>>,false> ] c:\devtools\libs\boost_1_40_0\boost/program_options/variables_map.hpp(158) : warning C4251: 'boost::program_options::variables_map::m_final' : class 'std::set<_Kty>' needs to have dll-interface to be used by clients of class 'boost::program_options::variables_map' with [ _Kty=std::string ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\value_semantic.obj value_semantic.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\positional_options.obj positional_options.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\utf8_codecvt_facet.obj utf8_codecvt_facet.cpp compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\convert.obj convert.cpp compile-c-c++ c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\winmain.obj winmain.cpp c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : warning C4275: non dll-interface class 'std::logic_error' used as base for dll-interface class 'boost::program_options::error' C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdexcept(21) : see declaration of 'std::logic_error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(21) : see declaration of 'boost::program_options::error' c:\devtools\libs\boost_1_40_0\boost/program_options/errors.hpp(61) : warning C4251: 'boost::program_options::ambiguous_option::alternatives' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::ambiguous_option' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(120) : warning C4251: 'boost::program_options::option_description::m_value_semantic' : class 'boost::shared_ptr<T>' needs to have dll-interface to be used by clients of class 'boost::program_options::option_description' with [ T=const boost::program_options::value_semantic ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(219) : warning C4251: 'boost::program_options::options_description::m_options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::option_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(225) : warning C4251: 'boost::program_options::options_description::belong_to_group' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=char ] c:\devtools\libs\boost_1_40_0\boost/program_options/options_description.hpp(230) : warning C4251: 'boost::program_options::options_description::groups' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::options_description' with [ _Ty=boost::shared_ptr<boost::program_options::options_description> ] c:\devtools\libs\boost_1_40_0\boost/program_options/positional_options.hpp(58) : warning C4251: 'boost::program_options::positional_options_description::m_names' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::positional_options_description' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(120) : warning C4251: 'boost::program_options::detail::cmdline::args' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ _Ty=std::string ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(127) : warning C4251: 'boost::program_options::detail::cmdline::m_additional_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::pair<std::string,std::string>, T0=const std::string & ] c:\devtools\libs\boost_1_40_0\boost/program_options/detail/cmdline.hpp(128) : warning C4251: 'boost::program_options::detail::cmdline::m_style_parser' : class 'boost::function1<R,T0>' needs to have dll-interface to be used by clients of class 'boost::program_options::detail::cmdline' with [ R=std::vector<boost::program_options::option>, T0=std::vector<std::string> & ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(56) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::options' : class 'std::vector<_Ty>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ _Ty=boost::program_options::basic_option<wchar_t> ] c:\devtools\libs\boost_1_40_0\boost/program_options/parsers.hpp(61) : warning C4251: 'boost::program_options::basic_parsed_options<wchar_t>::utf8_encoded_options' : class 'boost::program_options::basic_parsed_options<charT>' needs to have dll-interface to be used by clients of class 'boost::program_options::basic_parsed_options<wchar_t>' with [ charT=char ] msvc.link.dll c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\boost_program_options-vc90-mt-gd-1_40.dll Creating library c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\boost_program_options-vc90-mt-gd-1_40.lib and object c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\boost_program_options-vc90-mt-gd-1_40.exp msvc.manifest.dll c:\devtools\libs\boost_1_40_0\bin.v2\libs\program_options\build\msvc-9.0\debug\threading-multi\boost_program_options-vc90-mt-gd-1_40.dll compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\main.obj main.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_clear.obj tc_clear.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_ctr_copy.obj tc_ctr_copy.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_ctr_def.obj tc_ctr_def.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_ctr_fill.obj tc_ctr_fill.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_insert.obj tc_insert.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_insert_after.obj tc_insert_after.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_insert_child.obj tc_insert_child.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_insert_tree.obj tc_insert_tree.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_op_assign.obj tc_op_assign.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_push_pop.obj tc_push_pop.cpp compile-c-c++ C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tc_swap.obj tc_swap.cpp msvc.link C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.exe main.obj : error LNK2001: unresolved external symbol "public: static unsigned int const boost::program_options::options_description::m_default_line_length" (?m_default_line_length@options_description@program_options@boost@@2IB) main.obj : error LNK2001: unresolved external symbol "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > boost::program_options::arg" (?arg@program_options@boost@@3V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@A) C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.exe : fatal error LNK1120: 2 unresolved externals call "C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86 >nul link /NOLOGO /INCREMENTAL:NO /DEBUG /MACHINE:X86 /subsystem:console /out:"C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.exe" @"C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.exe.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% ...failed msvc.link C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.exe C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.pdb... ...removing C:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi\tree.pdb ...skipped <pC:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi>tree.run for lack of <pC:\projects\ms_dotconf\bin.tmp\libs\tree\test\tree.test\msvc-9.0\debug\threading-multi>tree.exe... ...failed updating 2 targets... ...skipped 2 targets... ...updated 34 targets... ===================================================== You can see: link failed with unresolved externals... Link with static boost_program_options success, but I need dynamic link. -- With best regards, Alexey Badyaev