--- gcc/config/mips-bsd.h	2018/04/24 17:54:27	1.1.1.2
+++ gcc/config/mips-bsd.h	2018/04/24 18:05:06	1.1.1.4
@@ -19,7 +19,8 @@ the Free Software Foundation, 675 Mass A
 
 #define MIPS_BSD43
 
-#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_BSD43"
+#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_BSD43 \
+-D_mips -D_unix -D_host_mips -D_MIPSEB -D_R3000 -D_SYSTYPE_BSD43"
 
 #define SYSTEM_INCLUDE_DIR "/bsd43/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 /bsd43/ }"
 		    
@@ -49,4 +50,8 @@ the Free Software Foundation, 675 Mass A
 /* Generate calls to memcpy, etc., not bcopy, etc.  */
 #define TARGET_MEM_FUNCTIONS
 
+/* Override defaults for finding the MIPS tools.  */
+#define MD_STARTFILE_PREFIX "/bsd43/usr/lib/cmplrs/cc/"
+#define MD_EXEC_PREFIX "/bsd43/usr/lib/cmplrs/cc/"
+
 #include "mips.h"