diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 13dafacf2..b54ada087 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -52,7 +52,13 @@
 #endif
 
 #ifndef KRB5_DEPRECATED
+#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))
 #define KRB5_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER)
+#define KRB5_DEPRECATED __declspec(deprecated)
+#else
+#define KRB5_DEPRECATED
+#endif
 #endif
 
 /* simple constants */