make: In ndn-cpp-config.h, to avoid polluting the global name space, generate NDN_CPP_HAVE_BOOST_FUNCTION etc. instead of HAVE_BOOST_FUNCTION, etc.
diff --git a/ndn-cpp/common.hpp b/ndn-cpp/common.hpp
index 74f0214..80d1874 100644
--- a/ndn-cpp/common.hpp
+++ b/ndn-cpp/common.hpp
@@ -13,10 +13,10 @@
// Depending on where ./configure found shared_ptr, define the ptr_lib namespace.
// We always use ndn::ptr_lib.
-#if HAVE_STD_SHARED_PTR
+#if NDN_CPP_HAVE_STD_SHARED_PTR
#include <memory>
namespace ndn { namespace ptr_lib = std; }
-#elif HAVE_BOOST_SHARED_PTR
+#elif NDN_CPP_HAVE_BOOST_SHARED_PTR
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
namespace ndn { namespace ptr_lib = boost; }
@@ -36,10 +36,10 @@
// Depending on where ./configure found function, define the func_lib namespace.
// We always use ndn::func_lib.
-#if HAVE_STD_FUNCTION
+#if NDN_CPP_HAVE_STD_FUNCTION
#include <functional>
namespace ndn { namespace func_lib = std; }
-#elif HAVE_BOOST_FUNCTION
+#elif NDN_CPP_HAVE_BOOST_FUNCTION
#include <boost/function.hpp>
#include <boost/bind.hpp>
namespace ndn { namespace func_lib = boost; }