diff --git a/shared/nm-macros-internal.h b/shared/nm-macros-internal.h
index 256cfb77f..7a5c90fc5 100644
--- a/shared/nm-macros-internal.h
+++ b/shared/nm-macros-internal.h
@@ -28,6 +28,8 @@
 
 #define _nm_packed __attribute__ ((packed))
 #define _nm_unused __attribute__ ((unused))
+#define _nm_pure   __attribute__ ((pure))
+#define _nm_const  __attribute__ ((const))
 
 #define nm_auto(fcn) __attribute__ ((cleanup(fcn)))