Fix compilation with MinGW-w64.

BUG=v8:1943
TEST=

Review URL: https://chromiumcodereview.appspot.com/9428027
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

AUTHORS

@@ -28,6 +28,7 @@ Jan de Mooij <jandemooij@gmail.com>
 Jay Freeman <saurik@saurik.com>
 Joel Stanley <joel.stan@gmail.com>
 John Jozwiak <jjozwiak@codeaurora.org>
+Jonathan Liu <net147@gmail.com>
 Kun Zhang <zhangk@codeaurora.org>
 Martyn Capewell <martyn.capewell@arm.com>
 Matt Hanselman <mjhanselman@gmail.com>

SConstruct

@@ -1,4 +1,4 @@
-# Copyright 2011 the V8 project authors. All rights reserved.
+# 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:
@@ -300,7 +300,7 @@ V8_EXTRA_FLAGS = {
                        '-Wnon-virtual-dtor']
     },
     'os:win32': {
-      'WARNINGFLAGS': ['-pedantic', '-Wno-long-long']
+      'WARNINGFLAGS': ['-pedantic', '-Wno-long-long', '-Wno-pedantic-ms-format']
     },
     'os:linux': {
       'WARNINGFLAGS': ['-pedantic'],

src/globals.h

@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -191,6 +191,11 @@ typedef byte* Address;
 #define V8_PTR_PREFIX ""
 #endif  // V8_HOST_ARCH_64_BIT
 
+#ifdef __MINGW64__
+#undef V8_PTR_PREFIX
+#define V8_PTR_PREFIX "I64"
+#endif  // __MINGW64__
+
 // The following macro works on both 32 and 64-bit platforms.
 // Usage: instead of writing 0x1234567890123456
 //      write V8_2PART_UINT64_C(0x12345678,90123456);

src/platform-win32.cc

@@ -58,21 +58,26 @@ int localtime_s(tm* out_tm, const time_t* time) {
 }
 
 
-// Not sure this the correct interpretation of _mkgmtime
-time_t _mkgmtime(tm* timeptr) {
-  return mktime(timeptr);
-}
-
-
 int fopen_s(FILE** pFile, const char* filename, const char* mode) {
   *pFile = fopen(filename, mode);
   return *pFile != NULL ? 0 : 1;
 }
 
 
+#ifndef __MINGW64_VERSION_MAJOR
+
+// Not sure this the correct interpretation of _mkgmtime
+time_t _mkgmtime(tm* timeptr) {
+  return mktime(timeptr);
+}
+
+
 #define _TRUNCATE 0
 #define STRUNCATE 80
 
+#endif  // __MINGW64_VERSION_MAJOR
+
+
 int _vsnprintf_s(char* buffer, size_t sizeOfBuffer, size_t count,
                  const char* format, va_list argptr) {
   ASSERT(count == _TRUNCATE);

src/win32-headers.h

@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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:
@@ -64,10 +64,10 @@
 #undef _WIN32_WINNT
 #define _WIN32_WINNT 0x501
 #endif  // __MINGW32__
-#ifndef __MINGW32__
+#if !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
 #include <dbghelp.h>  // For SymLoadModule64 and al.
 #include <errno.h>  // For STRUNCATE
-#endif  // __MINGW32__
+#endif  // !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
 #include <limits.h>  // For INT_MAX and al.
 #include <tlhelp32.h>  // For Module32First and al.
 

src/x64/cpu-x64.cc

@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -27,7 +27,7 @@
 
 // CPU specific code for x64 independent of OS goes here.
 
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__MINGW64__)
 #include "third_party/valgrind/valgrind.h"
 #endif