2 files changed, 5 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d649c1bcdbc..b7fd539f540 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-27  Paul Eggert  <eggert@cs.ucla.edu>
+
+        * systime.h (make_timeval): Declare as 'const'.
+
 2013-04-27  Kenichi Handa  <handa@gnu.org>
 
         * font.c (font_open_entity): Always open a font of manageable
diff --git a/src/systime.h b/src/systime.h
index da495b9064b..c3bc00c1479 100644
--- a/src/systime.h
+++ b/src/systime.h
@@ -143,7 +143,7 @@ EMACS_TIME_TO_DOUBLE (EMACS_TIME t)
 
 /* defined in sysdep.c */
 extern int set_file_times (int, const char *, EMACS_TIME, EMACS_TIME);
-extern struct timeval make_timeval (EMACS_TIME);
+extern struct timeval make_timeval (EMACS_TIME) ATTRIBUTE_CONST;
 
 /* defined in keyboard.c */
 extern void set_waiting_for_input (EMACS_TIME *);