[Boost-users] Serialization linker error: wstring and libcpmt.lib

Subject: [Boost-users] Serialization linker error: wstring and libcpmt.lib
From: Justin (jjplawnewera_at_[hidden])
Date: 2010-12-19 21:35:10

Hi guys,

I have just started to use boost::serialization to serialize a complex data 
structure in a VS2005 MFC project.
I'm still very unfamiliar with boost but i need to get this done by then end of 
the day.
I ran into a couple of linker errors during compilation:

error  LNK2005: "public: unsigned int __thiscall  std::basic_string<char,struct 
std::char_traits<char>,class  std::allocator<char> >::size(void)const "  
(?size@?$basic_string_at_DU?$char_traits_at_D@std@@V?$allocator_at_D@2@@std@@QBEIXZ)  
already defined in msvcprt.lib(MSVCP80.dll)    libcpmt.lib

there  are 24 others of the similar error. If i ignore libcpmt.lib in the  
linker options, it'll *solve* the errors but is this the correct  method?

error LNK2019: unresolved external symbol  "public: void __thiscall 
boost::archive::text_iarchive_impl<class  
boost::archive::text_iarchive>::load(class  std::basic_string<unsigned 
short,struct std::char_traits<unsigned  short>,class std::allocator<unsigned 
short> > &)"  
(?load@?$text_iarchive_impl_at_Vtext_iarchive_at_archive@boost@@@archive_at_boost@@QAEXAAV?$basic_string_at_GU?$char_traits_at_G@std@@V?$allocator_at_G@2@@std@@@Z)
  referenced in function "public: class boost::archive::text_iarchive  & 
__thiscall boost::archive::detail::interface_iarchive<class  
boost::archive::text_iarchive>::operator>><class  std::basic_string<unsigned 
short,struct std::char_traits<unsigned  short>,class std::allocator<unsigned 
short> > >(class  std::basic_string<unsigned short,struct 
std::char_traits<unsigned  short>,class std::allocator<unsigned short> > &)"   
(??$?5V?$basic_string_at_GU?$char_traits_at_G@std@@V?$allocator_at_G@2@@std@@@?$interface_iarchive_at_Vtext_iarchive_at_archive@boost@@@detail_at_archive@boost@@QAEAAVtext_iarchive_at_23@AAV?$basic_string_at_GU?$char_traits_at_G@std@@V?$allocator_at_G@2@@std@@@Z) 
 

this error is cause by the use of std::wstring inside my data structure. if i 
change it to std::string then it'll compile fine.

My data structure:

std::vector<DrvCfgData> DrvData;

struct DrvCfgData {
    std::wstring    ServerName;
    DWORD            IPAddr;
    int                PollRate;
    std::list<RptData>    Reporting;
}

struct RptData {
    std::wstring     RptName;
    std::wstring    RptId;
    std::wstring    RptData;
    std::wstring    RptOps;
    bool            param1;
    int               param1data;
    bool            param2;
    std::string   param2data;
    bool            param3;
    int               param3data;
    bool            param4;
    int               param4data;
}

I've included the  following header files in my project:
    #include <boost/serialization/vector.hpp>
    #include <boost/serialization/list.hpp>
    #include <boost/archive/text_iarchive.hpp>
    #include <boost/archive/text_oarchive.hpp>

Please advise. Thanks.

justin