Re: Linker Error 2019 _Xlen in VS 2005

"Igor Tandetnik" <>
Thu, 5 Jul 2007 17:58:34 -0400
marathoner <> wrote:

I am getting the following linker errors in Visual Studio 2005:

RMPipe.lib(RMpipeMain.obj) : error LNK2019: unresolved external
symbol "void __cdecl std::_Xlen(void)" (?_Xlen@std@@YAXXZ) referenced
in function "public: class std::basic_string<char,struct
std::char_traits<char>,class std::allocator<char> > & __thiscall
std::basic_string<char,struct std::char_traits<char>,class
std::allocator<char> >::assign(class std::basic_string<char,struct
std::char_traits<char>,class std::allocator<char> > const &,unsigned
int,unsigned int)"

This had compiled and linked fine in Visual C++ 6.0, but is now
giving these problems in Visual Studio 2005.

You seem to be trying to link code built with VC8 against a LIB file
built with VC6. That won't work. Rebuild everything from source with the
same compiler.
With best wishes,
    Igor Tandetnik

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