-include/openflow/openflow-1.0.hstamp: include/openflow/openflow-common.h
-include/openflow/openflow-1.1.hstamp: include/openflow/openflow-common.h
+include/openflow/openflow-1.0.hstamp: \
+ include/openflow/openflow-common.h
+include/openflow/openflow-1.1.hstamp: \
+ include/openflow/openflow-common.h
+include/openflow/openflow-1.2.hstamp: \
+ include/openflow/openflow-common.h \
+ include/openflow/openflow-1.1.h
+include/openflow/openflow-1.3.hstamp: \
+ include/openflow/openflow-common.h \
+ include/openflow/openflow-1.1.h \
+ include/openflow/openflow-1.2.h
+include/openflow/openflow-1.4.hstamp: \
+ include/openflow/openflow-1.4.h