$OpenBSD: patch-configure_in,v 1.1 2010/10/12 20:12:52 robert Exp $
--- configure.in.orig	Tue Oct 12 22:02:25 2010
+++ configure.in	Tue Oct 12 22:02:58 2010
@@ -217,6 +217,13 @@ if test "$use_openssl" = "yes"; then
   AC_LANG_POP([C++])
 fi
 
+if test "$use_openssl" = "yes"; then
+  AC_CHECK_TYPE(STACK, 
+		AC_DEFINE([OPENSSL_STACK_TYPE], [STACK], [OpenSSL's stack type]),
+		AC_DEFINE([OPENSSL_STACK_TYPE], [_STACK], [OpenSSL's stack type]),
+		[#include <openssl/stack.h>])
+fi
+
 # do we use ssl?
 AM_CONDITIONAL(USE_SSL, test "$use_openssl" = "yes")
 
