--- configure.in	2008-10-01 20:39:52.000000000 +0100
+++ configure-new.in	2008-10-02 22:59:59.000000000 +0100
@@ -1400,7 +1400,9 @@
 ])
 if test -n "$NEGOTIATE_AUTH_HELPERS"; then
     for helper in $NEGOTIATE_AUTH_HELPERS; do
-	if test -f $srcdir/helpers/negotiate_auth/$helper/Makefile.in; then
+	if test -f $srcdir/helpers/negotiate_auth/$helper/configure; then
+    		AC_CONFIG_SUBDIRS([helpers/negotiate_auth/$helper])
+	else if test -f $srcdir/helpers/negotiate_auth/$helper/Makefile.in; then
 		:
 	else
 		echo "ERROR: negotiate auth helper $helper does not exists"