--- gcc/config/sun2.h	2018/04/24 17:51:38	1.1.1.1
+++ gcc/config/sun2.h	2018/04/24 17:55:17	1.1.1.2
@@ -50,7 +50,7 @@ the Free Software Foundation, 675 Mass A
 #define WORD_SWITCH_TAKES_ARG(STR)				\
  (!strcmp (STR, "Tdata") || !strcmp (STR, "include")		\
   || !strcmp (STR, "imacros") || !strcmp (STR, "target")	\
-  || !strcmp (STR, "assert"))
+  || !strcmp (STR, "assert") || !strcmp (STR, "aux-info"))
 
 /* Specify what to link with.  */