--- gcc/config/a29k/unix.h	2018/04/24 18:10:25	1.1
+++ gcc/config/a29k/unix.h	2018/04/24 18:15:29	1.1.1.2
@@ -31,7 +31,7 @@ the Free Software Foundation, 675 Mass A
 #define TARGET_DEFAULT (1+2+8+64)
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000"
+#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000 -Asystem(unix) -Acpu(a29k) -Amachine(a29k)"
 
 #undef CPP_SPEC
 #define CPP_SPEC "%{!m29000:-Dam29050 -D__am29050__}"
@@ -61,7 +61,9 @@ the Free Software Foundation, 675 Mass A
   for (p = main_input_filename; *p; p++)			\
     if (*p == '/')						\
       after_dir = p + 1;					\
-  fprintf (FILE, "\t.file \"%s\"\n", after_dir);		\
+  fprintf (FILE, "\t.file ");					\
+  output_quoted_string (FILE, after_dir);			\
+  fprintf (FILE, "\n");						\
   if (flag_shared_data)						\
     fprintf (FILE, "\t.sect .shdata,data\n");			\
   fprintf (FILE, "\t.sect .lit,lit\n");  }