--- gcc/config/ns32k/sequent.h	2018/04/24 18:10:24	1.1
+++ gcc/config/ns32k/sequent.h	2018/04/24 18:14:55	1.1.1.2
@@ -36,7 +36,7 @@ the Free Software Foundation, 675 Mass A
 #define TARGET_VERSION fprintf (stderr, " (32000, Sequent syntax)");
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dns32000 -Dsequent -Dunix"
+#define CPP_PREDEFINES "-Dns32000 -Dsequent -Dunix -Asystem(unix) -Asystem(bsd) -Acpu(ns32k) -Amachine(ns32k)"
 
 /* Link with libg.a when debugging, for dbx's sake.  */