AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to db4.]), [], [enable_backend="db4"])
+AC_ARG_ENABLE(keyd,AC_HELP_STRING([--enable-keyd],[Use keyd as the DB backend.]), [], [])
+
AC_MSG_CHECKING([which key database backend to use])
AC_MSG_RESULT([$enable_backend])
AC_CHECK_FILE([$srcdir/keydb_$enable_backend.c], ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
AC_SUBST(DBTYPE, $enable_backend)
+AC_SUBST(KEYD, $enable_keyd)
+
AC_CONFIG_FILES(Makefile)
AC_OUTPUT