LNK2001: unresolved external symbol

[Puru_1]

I am getting below errors while compiling on V2013. I have benn struggling it for last 5 days. Any help much appreciated.

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error LNK2001: unresolved external symbol "double pnl::global_fakedummy" (?global_fakedummy@pnl@@3NA)
1>snpgm.obj : error LNK2001: unresolved external symbol "private: static class pnl::LogMultiplexor * pnl::LogMultiplexor::s_pStdMultiplexor" (?s_pStdMultiplexor@LogMultiplexor@pnl@@0PAV12@A)

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    pnlFakeptr.hpp
    #ifndef __PNLFAKEPTR_HPP__
    #define __PNLFAKEPTR_HPP__

    #include "pnlConfig.hpp"




    PNL_BEGIN


    #ifndef PNL_VC6
    #define PNL_FAKEPTR( T ) (pnl::FakePtr< T >())
    #else
    #define PNL_FAKEPTR( T ) (pnl::FakePtr< T >((T *)0))
    #endif


    // remaining is internal stuff

    // assuming double is properly aligned for any type.  Otherwise cast will have undefined behaviour.
    // Updated by Puru.Amradkar
     extern PNL_API double global_fakedummy;

    template< typename T >
    #ifndef PNL_VC6
    inline T *FakePtr()
    #else
    inline T *FakePtr( T * )
    #endif
    {
        return (T *)&pnl::global_fakedummy;
    }

    PNL_END

    #endif
    ------------------------------------------------------------------------------------
    pnlfakrptr.cpp
    #include "pnlFakePtr.hpp"
    #include "pnlConfig.hpp"



    PNL_BEGIN

    // Updated by Puru.Amradkar
    double  pnl::global_fakedummy = 0;


    PNL_END
    ------------------------------------------------------------


    #ifndef __PNLLOGMULTIPLEXOR_HPP__
    #define __PNLLOGMULTIPLEXOR_HPP__

    #include "pnlConfig.hpp"
    #include "pnlTypeDefs.hpp"
    #ifndef __PNLLOGDRIVER_HPP__
    #include "pnlLogDriver.hpp"
    #endif

    PNL_BEGIN

    // FORWARDS
    class Log;

    // Multiplexor. Designed to be singleton object
    // Distributes messages between drivers in compliance with 'level' and 'service'
    // Configures all drivers (except LogDrvSystem) via Configure()
    class PNL_API LogMultiplexor
    {
    public: // USER INTERFACE
        void Configure(LogDriver::EConfCmd command, int level = eLOG_ALL,
            int service = eLOGSRV_ALL);
        void WriteConfiguration() const;

        static LogMultiplexor& StdMultiplexor() { return *s_pStdMultiplexor; }
        static void SetStdMultiplexor(LogMultiplexor *pMultiplexor)
        { s_pStdMultiplexor = pMultiplexor; }

    public: // PUBLIC INTERFACE FOR LOGGING SUBSYSTEM (Log, LogDriver)
        LogMultiplexor(): m_iUpdate(0) {}
        ~LogMultiplexor();

        int AttachDriver(LogDriver* pDriver);
        int AttachLogger(Log* pLog);
        void DetachDriver(LogDriver* pDriver, int iDriver);
        void DetachLogger(Log* pLog, int iLogger);
        int iUpdate() const { return m_iUpdate; }
        bool GetBDenyOutput(int *piUpdate, int level, int service);
        void DriverReconfigured(LogDriver *pDriver);
        void WriteString(int level, int service, const char* pStr, int strLen = -1);

    private:
        LogMultiplexor& operator=(const LogMultiplexor&)
        { return *this; } // deny copying

    private: // DATA
        static  LogMultiplexor *s_pStdMultiplexor;

        pnlVector<LogDriver*> m_apDriver;
        pnlVector<Log*> m_apHead;
        int m_iUpdate;
    };

    PNL_END

    #endif // include guard
    --------------------------------------------

    pnllogmultiplexor.cpp

    #include "pnlLogDriver.hpp"
    #include "pnlLogMultiplexor.hpp"

    PNL_USING

    namespace pnl
    {
        LogMultiplexor* LogMultiplexor::s_pStdMultiplexor = 0;
    }








void
LogMultiplexor::DriverReconfigured(LogDriver *pDriver)
{
    ++m_iUpdate;
}

LogMultiplexor::~LogMultiplexor()
{
    int i;

    for(i = m_apHead.size(); --i >= 0;)
    { 
        if(m_apHead[i])
        {
            assert(0 && "All Log()s must be detached before deleting Multiplexor");
        }
    }
    ..
    .....