--- libaitio/configure.in	2012/07/22 12:32:34	1.22.2.2
+++ libaitio/configure.in	2012/12/19 11:03:44	1.31.2.1
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.22.2.2 2012/07/22 12:32:34 misho Exp $
+# $Id: configure.in,v 1.31.2.1 2012/12/19 11:03:44 misho Exp $
 #
-AC_INIT(libaitio, 3.2, misho@elwix.org)
+AC_INIT(libaitio, 4.1, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitio.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
@@ -23,6 +23,7 @@ AC_CHECK_LIB([crypto], [EVP_CipherInit_ex])
 AC_CHECK_LIB([pthread], [pthread_mutex_init])
 AC_CHECK_LIB([util], [forkpty])
 AC_CHECK_LIB([rt], [aio_read])
+AC_CHECK_LIB([aitcrc], [crcFletcher16])
 
 # Checks for header files.
 AC_CHECK_HEADERS([stdlib.h string.h sys/ioctl.h termios.h unistd.h])