--- libaitio/configure	2014/01/21 15:59:44	1.50.2.2
+++ libaitio/configure	2014/02/02 12:27:36	1.50.2.3
@@ -694,6 +694,7 @@ ac_user_opts='
 enable_option_checking
 enable_debug
 enable_aio
+enable_zcpy_buffer
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1320,6 +1321,7 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-debug          Build library with debug information and additional messages
   --enable-aio            Build library with AIO operations
+  --enable-zcpy-buffer    Build library with zero-copy buffer
 
 Some influential environment variables:
   CC          C compiler command
@@ -4286,6 +4288,26 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AIO" >&5
 $as_echo "$AIO" >&6; }
+
+ZCBUF=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Zero-copy buffer Build" >&5
+$as_echo_n "checking Zero-copy buffer Build... " >&6; }
+# Check whether --enable-zcpy-buffer was given.
+if test "${enable_zcpy_buffer+set}" = set; then :
+  enableval=$enable_zcpy_buffer;  ZCBUF=$enableval
+		case "$enableval" in
+			yes)
+
+$as_echo "#define ZCBUF_ENABLE /**/" >>confdefs.h
+
+				;;
+			*)
+				;;
+		esac
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZCBUF" >&5
+$as_echo "$ZCBUF" >&6; }
 
 ac_config_files="$ac_config_files Makefile inc/Makefile lib/Makefile src/Makefile"