+$(srcdir)/lib/ofp-errors.c: \
+ include/openflow/openflow.h include/openflow/nicira-ext.h \
+ build-aux/extract-ofp-errors
+ cd $(srcdir)/include && \
+ $(PYTHON) ../build-aux/extract-ofp-errors \
+ openflow/openflow.h openflow/nicira-ext.h > ../lib/ofp-errors.c
+EXTRA_DIST += build-aux/extract-ofp-errors
+