dnl OVSDB_INIT([$1])
dnl
dnl Creates an empty database named $1.
m4_define([OVSDB_INIT],
  [OVS_CHECK_LCOV(
     [SCHEMA=$abs_top_builddir/vswitchd/vswitch-idl.ovsschema
      if test ! -e $SCHEMA; then
        SCHEMA=$abs_top_srcdir/vswitchd/vswitch-idl.ovsschema
          if test ! -e $SCHEMA; then
            echo 'Failed to find vswitch-idl.ovsschema'
            exit 1
          fi
      fi
      ovsdb-tool create $1 $SCHEMA],
     [0], [stdout], [ignore])
   OVS_CHECK_LCOV(
     [[ovsdb-tool transact $1 \
        '[{"op": "insert",
           "table": "Open_vSwitch",
           "row": {}}]']],
     [0], [ignore], [ignore])])