--- mqtt/configure.in	2013/01/18 09:43:27	1.3
+++ mqtt/configure.in	2017/10/08 22:49:24	1.4
@@ -1,11 +1,14 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.3 2013/01/18 09:43:27 misho Exp $
+# $Id: configure.in,v 1.4 2017/10/08 22:49:24 misho Exp $
 #
-AC_INIT(mqtt, 1.3, misho@elwix.org)
+AC_INIT(mqtt, 2.0, misho@elwix.org)
 AC_CONFIG_HEADERS(inc/config.h)
 AC_CONFIG_SRCDIR(src/mqttd.c)
 
+ac_cv_func_malloc_0_nonnull="yes"
+ac_cv_func_realloc_0_nonnull="yes"
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_RANLIB
@@ -26,8 +29,7 @@ AC_CHECK_LIB([util], openpty)
 AC_CHECK_LIB([crypto], BF_set_key)
 AC_CHECK_LIB([pthread], pthread_create)
 AC_CHECK_LIB([sqlite3], sqlite3_reset)
-AC_CHECK_LIB([aitcrc], crcFletcher16)
-AC_CHECK_LIB([aitio], io_allocVar)
+AC_CHECK_LIB([elwix], ait_allocVar)
 AC_CHECK_LIB([aitcfg], cfgLoadConfig)
 AC_CHECK_LIB([aitmqtt], mqtt_msgAlloc)
 AC_CHECK_LIB([aitsched], schedRun)