In common.h, define func_lib for function objects. In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION. Include function headers in ndnboost.
diff --git a/libs/functional/hash/test/extensions_hpp_test.cpp b/libs/functional/hash/test/extensions_hpp_test.cpp
new file mode 100644
index 0000000..45f6f8f
--- /dev/null
+++ b/libs/functional/hash/test/extensions_hpp_test.cpp
@@ -0,0 +1,19 @@
+
+// Copyright 2009 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Check that boost/functional/hash/extensions.hpp works okay.
+//
+// It probably should be in boost/functional/hash/detail, but since it isn't it
+// should work.
+
+#include "./config.hpp"
+
+#include <boost/functional/hash/extensions.hpp>
+
+int main() {
+ int x[2] = { 2, 3 };
+ ndnboost::hash<int[2]> hf;
+ hf(x);
+}