Added support for building V8 on Windows with either the shared or static ver...

src/dtoa-config.c

 /*
  * 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
@@ skipping 40 matching lines @@
 #else
 #define  IEEE_8087
 #endif
 
 #define __MATH_H__
 #if defined(__APPLE__) && defined(__MACH__)
 /* stdlib.h on Apple's 10.5 and later SDKs will mangle the name of strtod.
  * If it's included after strtod is redefined as gay_strtod, it will mangle
  * the name of gay_strtod, which is unwanted. */
 #include <stdlib.h>
+
 #endif
+/* stdlib.h on Windows adds __declspec(dllimport) to all functions when using
+ * the DLL version of the CRT (compiling with /MD or /MDd). If stdlib.h is
+ * included after strtod is redefined as gay_strtod, it will add
+ * __declspec(dllimport) to gay_strtod, which causes the compilation of
+ * gay_strtod in dtoa.c to fail.
+*/
+#if defined(WIN32) && defined(_DLL)
+#include "stdlib.h"
+#endif
+
 /* Make sure we use the David M. Gay version of strtod(). On Linux, we
  * cannot use the same name (maybe the function does not have weak
  * linkage?). */
 #define strtod gay_strtod
 #include "third_party/dtoa/dtoa.c"