--- embedtools/configure.in	2012/07/22 22:46:46	1.3
+++ embedtools/configure.in	2017/06/28 15:19:31	1.12
@@ -1,7 +1,14 @@
-AC_INIT(embedtools, 1.1, misho@elwix.org)
+#
+# $Author: misho $
+# $Id: configure.in,v 1.12 2017/06/28 15:19:31 misho Exp $
+#
+AC_INIT(embedtools, 2.7, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/cfexec.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_INSTALL
@@ -19,12 +26,10 @@ CFLAGS="-Wall -O2 -fPIC -g -DINET6 ${CFLAGS}"
 LDFLAGS="${LDFLAGS}"
 
 # Checks for libraries.
+AC_CHECK_LIB([elwix], [str_Trim])
 AC_CHECK_LIB([aitcfg], [LoadConfig])
-AC_CHECK_LIB([aitcrc], [crcAdler])
-AC_CHECK_LIB([aitio], [io_TrimStr])
 AC_CHECK_LIB([aitsync], [syncDelta])
 AC_CHECK_LIB([aitwww], [www_XMLGet])
-AC_CHECK_LIB([axl], [axl_init])
 AC_CHECK_LIB([crypto], [MD5_Init])
 AC_CHECK_LIB([util], [openpty])