1 files changed, 7 insertions, 1 deletions
diff --git a/common.mk b/common.mk
index d1ba79b5c4..a1db48b2b0 100644
--- a/common.mk
+++ b/common.mk
@@ -1019,9 +1019,15 @@ gdb-ruby: $(PROGRAM) run.gdb PHONY
 dist:
 	$(BASERUBY) $(srcdir)/tool/make-snapshot tmp $(RELNAME)
 
-up::
+up:: update-config_files
 	-$(Q)$(MAKE) $(MFLAGS) REVISION_FORCE=PHONY "$(REVISION_H)"
 
+update-config_files: $(srcdir)/tool/config.guess $(srcdir)/tool/config.sub
+$(srcdir)/tool/config.guess:
+	$(Q) $(BASERUBY) -C $(@D) config_files.rb $(@F)
+$(srcdir)/tool/config.sub:
+	$(Q) $(BASERUBY) -C $(@D) config_files.rb $(@F)
+
 info: info-program info-libruby_a info-libruby_so info-arch
 info-program:
 	@echo PROGRAM=$(PROGRAM)