diff --git a/ChangeLog b/ChangeLog
index 65c156553b..1050d3b850 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Apr 20 10:33:23 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* eval_intern.h: add prototypes of rb_sourceline() and
+	  rb_sourcefile().
+
 Fri Apr 20 02:37:48 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval.c (ruby_cleanup): re-send signal.  [ruby-dev:30516]
diff --git a/eval_intern.h b/eval_intern.h
index 8b2c972631..0cb4006d73 100644
--- a/eval_intern.h
+++ b/eval_intern.h
@@ -190,6 +190,9 @@ extern VALUE sysstack_error;
 void rb_thread_cleanup _((void));
 void rb_thread_wait_other_threads _((void));
 
+int rb_sourceline(void);
+const char *rb_sourcefile(void);
+
 int thread_set_raised(rb_thread_t *th);
 int thread_reset_raised(rb_thread_t *th);