1 files changed, 2 insertions, 1 deletions
diff --git a/ruby.h b/ruby.h
index 14833877f4..ff7edf6c55 100644
--- a/ruby.h
+++ b/ruby.h
@@ -460,8 +460,9 @@ NORETURN(void rb_iter_break _((void)));
 NORETURN(void rb_exit _((int)));
 NORETURN(void rb_notimplement _((void)));
 
-void rb_warn __((const char*, ...));
 void rb_warning __((const char*, ...));		/* reports if `-w' specified */
+void rb_sys_warning __((const char*, ...));	/* reports if `-w' specified */
+void rb_warn __((const char*, ...));		/* reports always */
 
 VALUE rb_each _((VALUE));
 VALUE rb_yield _((VALUE));