--- libaitwww/configure.in	2012/03/15 02:01:10	1.2.2.1
+++ libaitwww/configure.in	2013/05/30 09:25:35	1.7
@@ -1,11 +1,14 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.2.2.1 2012/03/15 02:01:10 misho Exp $
+# $Id: configure.in,v 1.7 2013/05/30 09:25:35 misho Exp $
 #
-AC_INIT(libaitwww, 1.2, misho@elwix.org)
+AC_INIT(libaitwww, 3.0, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/aitwww.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
@@ -21,8 +24,10 @@ CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}
 LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
 
 
+AC_CHECK_LIB(elwix, [mpool_malloc])
+
 # Checks for header files.
-AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/socket.h unistd.h])
+AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/socket.h unistd.h aitio.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_INLINE