diff --git a/lib/config-win32.h b/lib/config-win32.h
index 8719fb12c5df2c99d671b1b0468f72bd3885b6f5..62bbedcaa8cc42766ac9b93351c4bebf7b854569 100644
--- a/lib/config-win32.h
+++ b/lib/config-win32.h
@@ -53,6 +53,11 @@
 #define HAVE_GETOPT_H 1
 #endif
 
+/* Define to 1 if you have the <inttypes.h> header file. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_INTTYPES_H 1
+#endif
+
 /* Define if you have the <io.h> header file. */
 #define HAVE_IO_H 1
 
@@ -87,6 +92,11 @@
 /* Define if you have the <ssl.h> header file. */
 /* #define HAVE_SSL_H 1 */
 
+/* Define to 1 if you have the <stdbool.h> header file. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_STDBOOL_H 1
+#endif
+
 /* Define if you have the <stdlib.h> header file. */
 #define HAVE_STDLIB_H 1
 
@@ -160,6 +170,11 @@
 /* Define if you can safely include both <sys/time.h> and <time.h>. */
 /* #define TIME_WITH_SYS_TIME 1 */
 
+/* Define to 1 if bool is an available type. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1800)
+#define HAVE_BOOL_T 1
+#endif
+
 /* ---------------------------------------------------------------- */
 /*                             FUNCTIONS                            */
 /* ---------------------------------------------------------------- */
@@ -250,7 +265,8 @@
 #define HAVE_STRSTR 1
 
 /* Define if you have the strtoll function. */
-#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__POCC__)
+#if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__POCC__) || \
+    (defined(_MSC_VER) && (_MSC_VER >= 1800))
 #define HAVE_STRTOLL 1
 #endif