diff --git a/gcc/real.c b/gcc/real.c
index 518aaa8e6b0..b8d2eb8383c 100644
--- a/gcc/real.c
+++ b/gcc/real.c
@@ -991,6 +991,13 @@ ereal_isneg (x)
 #define TLOSS		5	/* total loss of precision */
 #define PLOSS		6	/* partial loss of precision */
 
+#ifndef EDOM
+#define EDOM		33
+#endif
+#ifndef ERANGE
+#define ERANGE		34
+#endif
+
 /*  e type constants used by high precision check routines */
 
 /*include "ehead.h"*/