Use our own macros for 64-bit constants.

include/v8.h

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 59 matching lines @@
 #define V8EXPORT_INLINE __declspec(dllexport)
 #elif USING_V8_SHARED
 #define V8EXPORT __declspec(dllimport)
 #define V8EXPORT_INLINE
 #else
 #define V8EXPORT
 #define V8EXPORT_INLINE
 #endif  // BUILDING_V8_SHARED
 
 #else  // _WIN32
-#ifndef __STDC_CONSTANT_MACROS
-#define __STDC_CONSTANT_MACROS
-#endif
+
 #include <stdint.h>
 
 // Setup for Linux shared library export. There is no need to destinguish
 // neither between building or using the V8 shared library nor between using
 // the shared or static V8 library as there is on Windows. Therefore there is
 // no checking of BUILDING_V8_SHARED and USING_V8_SHARED.
 #if defined(__GNUC__) && (__GNUC__ >= 4)
 #define V8EXPORT __attribute__ ((visibility("default")))
 #define V8EXPORT_INLINE __attribute__ ((visibility("default")))
 #else  // defined(__GNUC__) && (__GNUC__ >= 4)
@@ skipping 2483 matching lines @@
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_