--- gcc/config/mips/news4.h	2018/04/24 18:10:25	1.1.1.1
+++ gcc/config/mips/news4.h	2018/04/24 18:15:58	1.1.1.2
@@ -19,8 +19,10 @@ the Free Software Foundation, 675 Mass A
 
 #define MIPS_NEWS
 
-#define CPP_PREDEFINES "-Dr3000 -Dnews3700 -DLANGUAGE_C -DMIPSEB -DSYSTYPE_BSD \
--Dsony_news -Dsony -Dunix -Dmips -Dhost_mips"
+#define CPP_PREDEFINES "\
+-Dr3000 -Dnews3700 -DLANGUAGE_C -DMIPSEB -DSYSTYPE_BSD \
+-Dsony_news -Dsony -Dunix -Dmips -Dhost_mips \
+-Asystem(unix) -Asystem(bsd) -Acpu(mips) -Amachine(mips)"
 
 #define ASM_SPEC "\
 %{!mgas: \
@@ -45,7 +47,8 @@ the Free Software Foundation, 675 Mass A
 %{.C:	-D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
 %{.m:	-D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
 %{.S:	-D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
-%{!.S:	-D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+%{.s:	-D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{!.S:%{!.s:	-D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}}"
 
 #define LINK_SPEC "\
 %{G*} \