--- gcc/config/mips-svr4.h	2018/04/24 18:00:23	1.1.1.2
+++ gcc/config/mips-svr4.h	2018/04/24 18:06:24	1.1.1.3
@@ -19,7 +19,8 @@ the Free Software Foundation, 675 Mass A
 
 #define MIPS_SVR4
 
-#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_SVR4"
+#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_SVR4 \
+-D_mips -D_unix -D_host_mips -D_MIPSEB -D_R3000 -D_SYSTYPE_SVR4"
 
 #define SYSTEM_INCLUDE_DIR "/svr4/usr/include"
 
@@ -36,7 +37,7 @@ the Free Software Foundation, 675 Mass A
 %{!mgas: \
 	%{EB} %{!EB:-EB} \
 	%{EL: %e-EL not supported} \
-	%{bestGnum} \
+	%{bestGnum} %{shared} %{non_shared} \
 	%{mips1} %{mips2} %{mips3} \
 	-systype /svr4/}"