diff --git a/lib/hcrypto/des.h b/lib/hcrypto/des.h
index 14402d4b1..99eb76c81 100644
--- a/lib/hcrypto/des.h
+++ b/lib/hcrypto/des.h
@@ -84,12 +84,14 @@ typedef struct DES_key_schedule
  *
  */
 
-#if !defined(__GNUC__) && !defined(__attribute__)
-#define __attribute__(x)
-#endif
-
 #ifndef HC_DEPRECATED
+#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))
 #define HC_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER) && (_MSC_VER>1200) 
+#define HC_DEPRECATED __declspec(deprecated)
+#else
+#define HC_DEPRECATED
+#endif
 #endif
 
 #ifdef __cplusplus