+# vswitch E-R diagram
+if BUILD_ER_DIAGRAMS
+$(srcdir)/vswitchd/vswitch.pic: ovsdb/ovsdb-dot.in ovsdb/dot2pic \
+ vswitchd/vswitch.ovsschema
+ $(OVSDB_DOT) $(srcdir)/vswitchd/vswitch.ovsschema \
+ | dot -T plain \
+ | $(srcdir)/ovsdb/dot2pic \
+ > $@.tmp
+ mv $@.tmp $@
+else
+$(srcdir)/vswitchd/vswitch.pic: ovsdb/ovsdb-dot.in vswitchd/vswitch.ovsschema
+ touch $@
+endif
+EXTRA_DIST += vswitchd/vswitch.pic
+