From 9651b551f1c5af7f688d62ceb309ba84f92a77d3 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Wed, 05 Mar 2014 21:14:05 +0000
Subject: don't include ext/algorithm if there's no such

---
diff --git a/configure.ac b/configure.ac
index e636253..606e644 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,7 @@ PKG_PROG_PKG_CONFIG
 
 AC_HEADER_STDC
 AC_CHECK_FUNCS([timegm])
+AC_CHECK_HEADERS([ext/algorithm.h])
 
 AC_PATH_PROG([XSLTPROC],[xsltproc],[true])
 
diff --git a/test/OP.cc b/test/OP.cc
index 6012b2e..4e2a5ed 100644
--- a/test/OP.cc
+++ b/test/OP.cc
@@ -2,7 +2,6 @@
 #include <iostream>
 #include <cassert>
 #include <string>
-#include <ext/algorithm>
 using namespace std;
 #include <kingate/exception.h>
 #include <kingate/plaincgi.h>
@@ -16,6 +15,11 @@ using namespace std;
 #include <opkele/verify_op.h>
 #include <opkele/sreg.h>
 
+#include "config.h"
+#ifdef HAVE_EXT_ALGORITHM_H
+# include <ext/algorithm>
+#endif
+
 #include "sqlite.h"
 #include "kingate_openid_message.h"
 
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