--- libaitsync/configure.in	2012/07/22 22:09:47	1.3
+++ libaitsync/configure.in	2013/05/30 09:24:18	1.6
@@ -1,11 +1,14 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.3 2012/07/22 22:09:47 misho Exp $
+# $Id: configure.in,v 1.6 2013/05/30 09:24:18 misho Exp $
 #
-AC_INIT(libaitsync, 1.1, misho@aitbg.com)
+AC_INIT(libaitsync, 2.0, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitsync.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
+ac_cv_func_malloc_0_nonnull="yes"
+ac_cv_func_realloc_0_nonnull="yes"
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_RANLIB
@@ -22,6 +25,7 @@ LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
 
 # Checks for libraries.
 AC_CHECK_LIB([z], [deflate])
+AC_CHECK_LIB([elwix], [crcAdler])
 
 # Checks for header files.
 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/param.h unistd.h])