cppBase/compatible.h at master · qingfengxia/cppBase · GitHub

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#pragma once
//

// Define EXPORTED for any platform
#if defined _WIN32 || defined __CYGWIN__
    #ifdef WIN_EXPORT
        // Exporting...
        #ifdef __GNUC__
            #define EXPORTED __attribute__((dllexport))
        #else
            #define EXPORTED __declspec(dllexport) // Note: actually gcc seems to also supports this syntax.
        #endif
    #else
        #ifdef __GNUC__
            #define EXPORTED __attribute__((dllimport))
        #else
            #define EXPORTED __declspec(dllimport) // Note: actually gcc seems to also supports this syntax.
        #endif
    #endif
    #define NOT_EXPORTED
#else
    #if __GNUC__ >= 4
        #define EXPORTED __attribute__((visibility("default")))
        #define NOT_EXPORTED __attribute__((visibility("hidden")))
    #else // other compiler, such as CLANG, not yet tested
        #define EXPORTED
        #define NOT_EXPORTED
    #endif
#endif

// rename
#define BaseExport EXPORTED