2 files changed, 6 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index e636253..606e644 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,24 +4,25 @@ AC_CONFIG_HEADERS([config.h include/opkele/acconfig.h])
 AC_CONFIG_MACRO_DIR([aclocal.d])
 AC_CONFIG_AUX_DIR([aux.d])
 AM_INIT_AUTOMAKE([dist-bzip2])
 
 AC_PROG_INSTALL
 AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_LIBTOOL
 PKG_PROG_PKG_CONFIG
 
 AC_HEADER_STDC
 AC_CHECK_FUNCS([timegm])
+AC_CHECK_HEADERS([ext/algorithm.h])
 
 AC_PATH_PROG([XSLTPROC],[xsltproc],[true])
 
 AC_MSG_CHECKING([for source tree version])
 if headrev=$(cd $srcdir && git rev-parse --verify HEAD 2>/dev/null) ; then
  PACKAGE_SRC_VERSION="$(cd $srcdir && git describe --tags $headrev)"
  test "$PACKAGE_SRC_VERSION" = "$PACKAGE_VERSION" \
   -o "${PACKAGE_SRC_VERSION#${PACKAGE_VERSION}-}" != "$PACKAGE_SRC_VERSION" || PACKAGE_SRC_VERSION="${PACKAGE_VERSION}:${PACKAGE_SRC_VERSION}"
  ( cd $srcdir && git diff-index $headrev | read dirt ) && PACKAGE_SRC_VERSION="${PACKAGE_SRC_VERSION}-dirty"
 else
  PACKAGE_SRC_VERSION="$PACKAGE_VERSION"
 fi
diff --git a/test/OP.cc b/test/OP.cc
index 6012b2e..4e2a5ed 100644
--- a/test/OP.cc
+++ b/test/OP.cc
@@ -1,30 +1,34 @@
 #include <uuid/uuid.h>
 #include <iostream>
 #include <cassert>
 #include <string>
-#include <ext/algorithm>
 using namespace std;
 #include <kingate/exception.h>
 #include <kingate/plaincgi.h>
 #include <kingate/cgi_gateway.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
 #include <opkele/uris.h>
 #include <opkele/extension.h>
 #include <opkele/association.h>
 #include <opkele/debug.h>
 #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"
 
 static const string get_self_url(const kingate::cgi_gateway& gw) {
     bool s = gw.has_meta("SSL_PROTOCOL_VERSION");
     string rv = s?"https://":"http://";
     rv += gw.http_request_header("Host");
     const string& port = gw.get_meta("SERVER_PORT");
     if( port!=(s?"443":"80") ) {
         rv += ':'; rv += port;
     }
     rv += gw.get_meta("REQUEST_URI");