--- gcc/config/i386/scodbx.h	2018/04/24 18:10:27	1.1
+++ gcc/config/i386/scodbx.h	2018/04/24 18:23:05	1.1.1.3
@@ -49,7 +49,7 @@ the Free Software Foundation, 675 Mass A
 /* Specify predefined symbols in preprocessor.  */
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dunix -Di386 -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP"
+#define CPP_PREDEFINES "-Dunix -Di386 -DM_UNIX -DM_I386 -DM_COFF -DM_WORDSWAP -Asystem(unix) -Asystem(svr3) -Acpu(i386) -Amachine(i386)"
 
 #undef CPP_SPEC
 #define CPP_SPEC "%{scointl:-DM_INTERNAT}"
@@ -81,8 +81,11 @@ the Free Software Foundation, 675 Mass A
 	      == void_type_node))) ? (SIZE)			\
    : 0)
 /* On other 386 systems, the last line looks like this:
-   : (aggregate_value_p (FUNTYPE)) ? GET_MODE_SIZE (Pmode) : 0)  */
+   : (aggregate_value_p (TREE_TYPE (FUNTYPE))) ? GET_MODE_SIZE (Pmode) : 0)  */
 
 /* Use periods rather than dollar signs in special g++ assembler names.  */
 
 #define NO_DOLLAR_IN_LABEL
+
+/* Handle #pragma pack. */
+#define HANDLE_SYSV_PRAGMA