--- libaitwww/configure.in	2012/03/08 23:40:21	1.1
+++ libaitwww/configure.in	2016/09/14 14:18:03	1.10
@@ -1,11 +1,14 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.1 2012/03/08 23:40:21 misho Exp $
+# $Id: configure.in,v 1.10 2016/09/14 14:18:03 misho Exp $
 #
-AC_INIT(libaitwww, 1.0, misho@elwix.org)
+AC_INIT(libaitwww, 3.2, 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
@@ -17,12 +20,14 @@ AC_CANONICAL_TARGET
 AC_CHECK_TOOL(MKDEP, mkdep, no)
 AC_SUBST(MKDEP)
 
-CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}"
-LDFLAGS="-L/usr/local/lib ${LDFLAGS}"
+CFLAGS="-Wall -O2 -fPIC ${CFLAGS}"
+LDFLAGS="${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