diff --git a/nt/ChangeLog b/nt/ChangeLog
index ea4f7547962..660140f66cf 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-30  Eli Zaretskii  <eliz@gnu.org>
+
+	* config.nt (HAVE_LONG_LONG_INT, HAVE_UNSIGNED_LONG_LONG_INT):
+	Define to 1 for MinGW of MSVC versions >= 1400.
+
 2011-04-28  Eli Zaretskii  <eliz@gnu.org>
 
 	* gmake.defs (ARCH): Fix error message in case of unknown
diff --git a/nt/config.nt b/nt/config.nt
index a159234be7d..285f3944dd8 100644
--- a/nt/config.nt
+++ b/nt/config.nt
@@ -470,6 +470,16 @@ extern char *getenv ();
 #define BITS_PER_LONG 32
 #endif
 
+#if defined(__MINGW32__) || _MSC_VER >= 1400
+
+/* Define to 1 if the system has the type `long long int'. */
+# define HAVE_LONG_LONG_INT 1
+
+/* Define to 1 if the system has the type `unsigned long long int'. */
+# define HAVE_UNSIGNED_LONG_LONG_INT 1
+
+#endif	/* __MINGW32__ || _MSC_VER >= 1400 */
+
 #ifndef POINTER_TYPE
 #define POINTER_TYPE void
 #endif