--- bin/autoreconf.in.orig	2012-04-24 22:00:28 UTC
+++ bin/autoreconf.in
@@ -692,6 +692,7 @@ parse_args;
 
 # Autoreconf all the given configure.ac.  Unless `--no-recursive' is passed,
 # AC_CONFIG_SUBDIRS will be traversed in &autoreconf_current_directory.
+$ENV{'AUTOCONF'} = $autoconf;
 $ENV{'AUTOM4TE'} = $autom4te;
 for my $directory (@ARGV)
   {
