Implement correct OS and CC detection.

src/d8.cc

 // Copyright 2012 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 50 matching lines @@
 #ifndef V8_SHARED
 #include "api.h"
 #include "checks.h"
 #include "d8-debug.h"
 #include "debug.h"
 #include "natives.h"
 #include "platform.h"
 #include "v8.h"
 #endif  // V8_SHARED
 
-#if !defined(_WIN32) && !defined(_WIN64)
+#if V8_OS_UNIX
 #include <unistd.h>  // NOLINT
 #endif
 
 #ifndef ASSERT
 #define ASSERT(condition) assert(condition)
 #endif
 
 namespace v8 {
 
 
@@ skipping 779 matching lines @@
   realm_template->Set(String::New("dispose"),
                       FunctionTemplate::New(RealmDispose));
   realm_template->Set(String::New("switch"),
                       FunctionTemplate::New(RealmSwitch));
   realm_template->Set(String::New("eval"),
                       FunctionTemplate::New(RealmEval));
   realm_template->SetAccessor(String::New("shared"),
                               RealmSharedGet, RealmSharedSet);
   global_template->Set(String::New("Realm"), realm_template);
 
-#if !defined(V8_SHARED) && !defined(_WIN32) && !defined(_WIN64)
+#if !defined(V8_SHARED) && V8_OS_UNIX
   Handle<ObjectTemplate> os_templ = ObjectTemplate::New();
   AddOSMethods(os_templ);
   global_template->Set(String::New("os"), os_templ);
 #endif  // V8_SHARED
 
   return global_template;
 }
 
 
 void Shell::Initialize(Isolate* isolate) {
@@ skipping 131 matching lines @@
   }
   delete context_mutex_;
   delete counters_file_;
   delete counter_map_;
 #endif  // V8_SHARED
 }
 
 
 
 static FILE* FOpen(const char* path, const char* mode) {
-#if defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))
+#if V8_CC_MSVC
   FILE* result;
   if (fopen_s(&result, path, mode) == 0) {
     return result;
   } else {
     return NULL;
   }
 #else
   FILE* file = fopen(path, mode);
   if (file == NULL) return NULL;
   struct stat file_stat;
@@ skipping 613 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif