2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 7db89b7166..8ccd291d9a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov  3 16:04:33 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk (revision.h): have to be updated daily or by non-trivial
+	  commits.
+
 Mon Nov  3 15:52:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* marshal.c (marshal_load): arg.data is no longer a VALUE but a
diff --git a/common.mk b/common.mk
index fa7b90bec1..0e4d658055 100644
--- a/common.mk
+++ b/common.mk
@@ -436,7 +436,7 @@ version.$(OBJEXT): {$(VPATH)}version.c $(RUBY_H_INCLUDES) \
 dist: $(PROGRAM)
 	$(RUNRUBY) $(srcdir)/distruby.rb
 
-{$(VPATH)}revision.h:
+{$(VPATH)}revision.h: $(srcdir)/version.h $(srcdir)/ChangeLog $(REVISION_FORCE)
 	@$(MAKE) revision.h.tmp
 	@if [ -f $(srcdir)/revision.h ] && \
 	    { [ ! -s revision.h.tmp ] || cmp $(srcdir)/revision.h revision.h.tmp >/dev/null; }; then \