--- gcc/config/m68k/hp2bsd.h	2018/04/24 18:10:24	1.1
+++ gcc/config/m68k/hp2bsd.h	2018/04/24 18:28:05	1.1.1.3
@@ -15,7 +15,8 @@ GNU General Public License for more deta
 
 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.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 #include "m68k/m68k.h"
 
@@ -41,7 +42,7 @@ the Free Software Foundation, 675 Mass A
 
 /* Names to predefine in the preprocessor for this target machine.  */
 
-#define CPP_PREDEFINES "-Dmc68000 -Dmc68010 -Dhp200 -Dunix"
+#define CPP_PREDEFINES "-Dmc68000 -Dmc68010 -Dhp200 -Dunix -Asystem(unix) -Asystem(bsd) -Acpu(m68k) -Amachine(m68k)"
 
 /* Link with libg.a when debugging, for dbx's sake.  */