extern void set_Wunused (int setting);
+/* Used to set the level of -Wstrict-aliasing, when no level is specified.
+ The external way to set the default level is to use
+ -Wstrict-aliasing=level.
+ ONOFF is assumed to take value 1 when -Wstrict-aliasing is specified,
+ and 0 otherwise. After calling this function, wstrict_aliasing will be
+ set to the default value of -Wstrict_aliasing=level. */
+
+extern void set_Wstrict_aliasing (int onoff);
+
/* Nonzero means warn about any objects definitions whose size is larger
than N bytes. Also want about function definitions whose returned
values are larger than N bytes. The value N is in `larger_than_size'. */