Add options -Wunused-variable, -Wunused-function, -Wunused-label,

[pf3gnuchains/gcc-fork.git] / gcc / flags.h

diff --git a/gcc/flags.h b/gcc/flags.h
index 9ca120c..3c543bc 100644 (file)
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -71,9 +71,17 @@ extern int inhibit_warnings;
 
 extern int extra_warnings;
 
-/* Nonzero to warn about unused local variables.  */
+/* Nonzero to warn about unused variables, functions et.al.  Use
+   set_Wunused() to update the -Wunused-* flags that correspond to the
+   -Wunused option. */
 
-extern int warn_unused;
+extern void set_Wunused PARAMS ((int setting));
+
+extern int warn_unused_function;
+extern int warn_unused_label;
+extern int warn_unused_parameter;
+extern int warn_unused_variable;
+extern int warn_unused_value;
 
 /* Nonzero to warn about code which is never reached.  */