--- libaitrpc/configure.in	2012/07/22 20:44:12	1.12
+++ libaitrpc/configure.in	2012/11/13 09:22:10	1.13
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.12 2012/07/22 20:44:12 misho Exp $
+# $Id: configure.in,v 1.13 2012/11/13 09:22:10 misho Exp $
 #
-AC_INIT(libaitrpc, 4.1, misho@elwix.org)
+AC_INIT(libaitrpc, 4.2, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitrpc.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
@@ -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