// Macros.h

#pragma once

#if defined(__GNUC__)

#define _DEPRECATED_ __attribute__((deprecated))

#define _FORCE_INLINE_ __attribute__((always_inline))

#elif defined(_MSC_VER)

#define _DEPRECATED_

#define _FORCE_INLINE_ __forceinline

#else

#define _DEPRECATED_

#define _FORCE_INLINE_ inline

#endif

/*

  Windows import/export and gnu http://gcc.gnu.org/wiki/Visibility

  macros.

 */

#if defined(_MSC_VER)

    #define DLL_IMPORT __declspec(dllimport)

    #define DLL_EXPORT __declspec(dllexport)

    #define DLL_LOCAL

#elif __GNUC__ >= 4

    #define DLL_IMPORT __attribute__ ((visibility("default")))

    #define DLL_EXPORT __attribute__ ((visibility("default")))

    #define DLL_LOCAL  __attribute__ ((visibility("hidden")))

#else

    #define DLL_IMPORT

    #define DLL_EXPORT

    #define DLL_LOCALs

#endif

// Ignore warnings about import/exports when deriving from std classes.

#ifdef _MSC_VER

  #pragma warning(disable: 4251)

  #pragma warning(disable: 4275)

#endif

// Import/export for windows dll's and visibility for gcc shared libraries.

#ifdef BUILD_SHARED_LIBS   // project is being built around shared libraries

    #ifdef CLASS_EXPORTS   // we are building a shared lib/dll

        #define CLASS_DECL DLL_EXPORT

    #else                  // we are using shared lib/dll

        #define CLASS_DECL DLL_IMPORT

    #endif

    #ifdef FUNC_EXPORTS    // we are building a shared lib/dll

        #define FUNC_DECL DLL_EXPORT

    #else                  // we are using shared lib/dll

        #define FUNC_DECL DLL_IMPORT

    #endif

#else                      // project is being built around static libraries

    #define CLASS_DECL

    #define FUNC_DECL

#endif

#if defined _WIN32 || defined __CYGWIN__

  #ifdef BUILDING_DLL

    #ifdef __GNUC__

      #define DLL_PUBLIC __attribute__ ((dllexport))

    #else

      #define DLL_PUBLIC __declspec(dllexport) // Note: actually gcc seems to also supports this syntax.

    #endif

  #else

    #ifdef __GNUC__

      #define DLL_PUBLIC __attribute__ ((dllimport))

    #else

      #define DLL_PUBLIC __declspec(dllimport) // Note: actually gcc seems to also supports this syntax.

    #endif

  #endif

  #define DLL_LOCAL

#else

  #if __GNUC__ >= 4

    #define DLL_PUBLIC __attribute__ ((visibility ("default")))

    #define DLL_LOCAL  __attribute__ ((visibility ("hidden")))

  #else

    #define DLL_PUBLIC

    #define DLL_LOCAL

  #endif

#endif

extern "C" DLL_PUBLIC void function(int a);

class DLL_PUBLIC SomeClass

{

   int c;

   DLL_LOCAL void privateMethod();  // Only for use within this DSO(Dynamic Shared Object)

public:

   Person(int _c) : c(_c) { }

   static void foo(int a);

};