myvtm/Other/libpublicFun/publicExport.h

#ifndef _OTHER_PUBLICFUNC_HEADER_
#define _OTHER_PUBLICFUNC_HEADER_
#pragma once

#ifdef _WIN32
    #ifdef PUBLIC_EXPORTS
         #ifndef PUBLIC_API
            #define PUBLIC_API __declspec(dllexport)
        #endif
    #else
        #ifndef PUBLIC_API
            #define PUBLIC_API __declspec(dllimport)
        #endif
    #endif
#else
    #if ( defined(__GNUC__) &&  __GNUC__ >= 4 )
        #define PUBLIC_API __attribute__((visibility("default")))
    #else
        #define PUBLIC_API
    #endif
#endif

#endif //_OTHER_PUBLICFUNC_HEADER_