--- gcc/config/tm-decstatn.h	2018/04/24 16:53:28	1.1
+++ gcc/config/tm-decstatn.h	2018/04/24 17:00:45	1.1.1.4
@@ -1,3 +1,27 @@
+/* Definitions of target machine for GNU compiler.  DECstation (ultrix) version.
+   Copyright (C) 1990 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 1, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
 #define DECSTATION
 
 #include "tm-mips.h"
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-D__ANSI_COMPAT \
+-D__LANGUAGE_C -D__MIPSEL -D__R3000 -D__SYSTYPE_BSD -D__bsd4_2 -D__host_mips -D__mips -D__ultrix -D__unix \
+-DLANGUAGE_C -DMIPSEL -DR3000 -DSYSTYPE_BSD -Dbsd4_2 -Dhost_mips -Dmips -Dultrix -Dunix"