--- libaitsched/configure.in	2022/09/26 19:44:25	1.44.2.1
+++ libaitsched/configure.in	2022/10/03 22:16:36	1.44.2.2
@@ -1,6 +1,6 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.44.2.1 2022/09/26 19:44:25 misho Exp $
+# $Id: configure.in,v 1.44.2.2 2022/10/03 22:16:36 misho Exp $
 #
 AC_INIT(libaitsched, 6.9, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitsched.c])
@@ -113,6 +113,22 @@ AC_ARG_WITH(kq_events, 
 	[ KQ_EVENTS=$withval ], KQ_EVENTS=32)
 AC_DEFINE_UNQUOTED(KQ_EVENTS, $KQ_EVENTS, [ How many kqueue events can scheduling at one time ])
 AC_MSG_RESULT($KQ_EVENTS)
+
+ELWIX=no
+AC_MSG_CHECKING(With libelwix Build)
+AC_ARG_WITH(elwix,
+	[  --with-elwix          Build library with libelwix memory managemant],
+	[ ELWIX=$withval
+		case "$withval" in
+			yes)
+				AC_DEFINE(__ELWIX,, [Build libraries with libelwix memory managemant])
+				CFLAGS="-g ${CFLAGS}"
+				LIBS="${LIBS} -lelwix"
+				;;
+			*)
+				;;
+		esac ],)
+AC_MSG_RESULT($ELWIX)
 
 AC_CONFIG_FILES([Makefile
                  inc/Makefile