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Asked: 2026-06-12T00:40:56+00:00

In earlier versions of Visual Studio, there was a predefinied macro _CPPLIB_VER which reported

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In earlier versions of Visual Studio, there was a predefinied macro “_CPPLIB_VER” which reported the version of the Dinkumware STL Library shipped with this version of VS. As of 2012, I am unable to find or use this macro – it is undefinied and I am unable to find any information on this matter online.

Is the Dinkumware STL Lib no longer used in VS2012? Was the macro renamed?

Windows 7 x64
Microsoft Visual Studio 2012 Professional

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  1. Editorial Team

    Usually the definition of _CPPLIB_VER can be found in a header file named yvals.h somewhere under your VS installation folder. For Visual Studio 2010 it’s in VC\include.

    Be careful because _CPPLIB_VER is no longer an official predefined macro since Visual Studio 2008.

    The “Change History” section of Predefined Macros (Visual Studio 2008) on MSDN says:

    Added Visual Studio 2008 values for _ATL_VER, _MSC_VER, _MFC_VER; removed _CPPLIB_VER; updated __COUNTER__, _DEBUG, _DLL, _MT, __FUNCDNAME__, __FUNCSIG__, __FUNCTION__, __FILE__. Cleaned up topic.

    And the macro was one of the “Microsoft-Specific Predefined Macros” for VS 2005. See Predefined Macros (Visual Studio 2005):

    _CPPLIB_VER

    Defined if you include any of the C++ Standard Library headers; reports which version of the Dinkumware header files are present.

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