--- libaitrpc/configure.in	2012/07/22 20:45:41	1.12.2.1
+++ libaitrpc/configure.in	2012/11/05 16:14:10	1.12.2.2
@@ -1,6 +1,6 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.12.2.1 2012/07/22 20:45:41 misho Exp $
+# $Id: configure.in,v 1.12.2.2 2012/11/05 16:14:10 misho Exp $
 #
 AC_INIT(libaitrpc, 4.2, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitrpc.c])
@@ -65,6 +65,21 @@ AC_ARG_ENABLE(debug,
 				;;
 		esac ],)
 AC_MSG_RESULT($DEBUG)
+
+CLI_RES_ZC=no
+AC_MSG_CHECKING(Client zero-copy return variables)
+AC_ARG_ENABLE(cli-res-zcpy, 
+	[  --enable-cli-res-zcpy   Build library with zero-copy return array from RPC client ], 
+	[ CLI_RES_ZC=$enableval
+	 	case "$enableval" in
+			yes)
+				AC_DEFINE(CLI_RES_ZCOPY,, 
+					  [Build library with zero-copy return array from RPC client])
+				;;
+			*)
+				;;
+		esac ],)
+AC_MSG_RESULT($CLI_RES_ZC)
 
 AC_CONFIG_FILES([Makefile
                  inc/Makefile