I'm getting a link error which appears to be that std::string is not being linked:
[cc] Starting link [cc] Creating library log4cxxd.lib and object log4cxxd.exp [cc] logger.obj : error LNK2019: unresolved external symbol "public: stat ic class std::basic_string<unsigned short,struct std::char_traits<unsigned short >,class std::allocator<unsigned short> > __cdecl log4cxx::helpers::StringHelper: :format(class std::basic_string<unsigned short,struct std::char_traits<unsigned short>,class std::allocator<unsigned short> > const &,class std::vector<class st d::basic_string<unsigned short,struct std::char_traits<unsigned short>,class std ::allocator<unsigned short> >,class std::allocator<class std::basic_string<unsig ned short,struct std::char_traits<unsigned short>,class std::allocator<unsigned short> > > > const &)" ([EMAIL PROTECTED]@[EMAIL PROTECTED]@@SA?AV?$basic_strin [EMAIL PROTECTED]@[EMAIL PROTECTED]@@[EMAIL PROTECTED]@2@@std@@[EMAIL PROTECTED]@V?$bas ic_strin [EMAIL PROTECTED]@[EMAIL PROTECTED]@@[EMAIL PROTECTED]@2@@std@@[EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED]@std@@[EMAIL PROTECTED]@2@@std@@@2@@5@@Z) referenced in function "pub lic: void __thiscall log4cxx::Logger::l7dlog(class log4cxx::helpers::ObjectPtrT< class log4cxx::Level> const &,class std::basic_string<unsigned short,struct std: :char_traits<unsigned short>,class std::allocator<unsigned short> > const &,clas s log4cxx::spi::LocationInfo const &,class std::vector<class std::basic_string<u nsigned short,struct std::char_traits<unsigned short>,class std::allocator<unsig ned short> >,class std::allocator<class std::basic_string<unsigned short,struct std::char_traits<unsigned short>,class std::allocator<unsigned short> > > > cons t &)" ([EMAIL PROTECTED]@log4cxx@@[EMAIL PROTECTED]@log4cxx@@@[EMAIL PROTECTED]@ AB [EMAIL PROTECTED]@[EMAIL PROTECTED]@@[EMAIL PROTECTED]@2@@std@@ABVLocatio [EMAIL PROTECTED] [EMAIL PROTECTED]@[EMAIL PROTECTED]@[EMAIL PROTECTED]@std@@[EMAIL PROTECTED]@2@ @std@@V? [EMAIL PROTECTED]@[EMAIL PROTECTED]@std@@[EMAIL PROTECTED]@2@@std@ @@2@@6@@ Z) [cc] log4cxxd.dll : fatal error LNK1120: 1 unresolved externals BUILD FAILED S:\src\log4cxx-0.9.8\build.xml:664: link failed with return code 1120 Total time: 5 seconds S:\src\log4cxx-0.9.8> Any ideas on what I can do? BTW, there is a duplicate declaration of method "GetErrorMessage()" in file: log4cxx-0.9.8\include\log4cxx\db\odbcappender.h Lines 199 and 209 contain the same declaration. I commented out the second one in order to build. Any help appreciated, Chris