Remove dependency from platform files on v8.h

src/base/macros.h

Index: src/base/macros.h
diff --git a/src/base/macros.h b/src/base/macros.h
index 736a656ed9f11e09ce217a6bf7b4a479f0b034d9..381107b8603bdd9ca51c47e4b52a286f8d7c8b44 100644
--- a/src/base/macros.h
+++ b/src/base/macros.h
@@ -6,6 +6,7 @@
 #define V8_BASE_MACROS_H_
 
 #include "include/v8stdint.h"
+#include "src/base/build_config.h"
 
 
 // The expression OFFSET_OF(type, field) computes the byte-offset
@@ -112,6 +113,52 @@ inline void USE(T) { }
 
 #define IS_POWER_OF_TWO(x) ((x) != 0 && (((x) & ((x) - 1)) == 0))
 
+
+// Define our own macros for writing 64-bit constants.  This is less fragile
+// than defining __STDC_CONSTANT_MACROS before including <stdint.h>, and it
+// works on compilers that don't have it (like MSVC).
+#if V8_CC_MSVC
+# define V8_UINT64_C(x)   (x ## UI64)
+# define V8_INT64_C(x)    (x ## I64)
+# if V8_HOST_ARCH_64_BIT
+#  define V8_INTPTR_C(x)  (x ## I64)
+#  define V8_PTR_PREFIX   "ll"
+# else
+#  define V8_INTPTR_C(x)  (x)
+#  define V8_PTR_PREFIX   ""
+# endif  // V8_HOST_ARCH_64_BIT
+#elif V8_CC_MINGW64
+# define V8_UINT64_C(x)   (x ## ULL)
+# define V8_INT64_C(x)    (x ## LL)
+# define V8_INTPTR_C(x)   (x ## LL)
+# define V8_PTR_PREFIX    "I64"
+#elif V8_HOST_ARCH_64_BIT
+# if V8_OS_MACOSX
+#  define V8_UINT64_C(x)   (x ## ULL)
+#  define V8_INT64_C(x)    (x ## LL)
+# else
+#  define V8_UINT64_C(x)   (x ## UL)
+#  define V8_INT64_C(x)    (x ## L)
+# endif
+# define V8_INTPTR_C(x)   (x ## L)
+# define V8_PTR_PREFIX    "l"
+#else
+# define V8_UINT64_C(x)   (x ## ULL)
+# define V8_INT64_C(x)    (x ## LL)
+# define V8_INTPTR_C(x)   (x)
+# define V8_PTR_PREFIX    ""
+#endif
+
+#define V8PRIxPTR V8_PTR_PREFIX "x"
+#define V8PRIdPTR V8_PTR_PREFIX "d"
+#define V8PRIuPTR V8_PTR_PREFIX "u"
+
+// Fix for Mac OS X defining uintptr_t as "unsigned long":
+#if V8_OS_MACOSX
+#undef V8PRIxPTR
+#define V8PRIxPTR "lx"
+#endif
+
 // The following macro works on both 32 and 64-bit platforms.
 // Usage: instead of writing 0x1234567890123456
 //      write V8_2PART_UINT64_C(0x12345678,90123456);