From ebb443f0f2d0cbcb7cc2bc0b48aeef9ee314f7bb Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 17 Nov 2010 18:05:06 +0200
Subject: Add support for unidirectional object relationships

New test: common/relationship.
---
 common/relationship/tr1-memory.hxx | 44 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 common/relationship/tr1-memory.hxx

(limited to 'common/relationship/tr1-memory.hxx')

diff --git a/common/relationship/tr1-memory.hxx b/common/relationship/tr1-memory.hxx
new file mode 100644
index 0000000..27e9da8
--- /dev/null
+++ b/common/relationship/tr1-memory.hxx
@@ -0,0 +1,44 @@
+// file      : common/relationship/tr1-memory.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TR1_MEMORY_HXX
+#define TR1_MEMORY_HXX
+
+// Try to include TR1 <memory> in a compiler-specific manner. Define
+// HAVE_TR1_MEMORY if successfull. If the compiler does not provide
+// native TR1 support, fall-back on the Boost TR1 implementation if
+// HAVE_BOOST_TR1 is defined.
+//
+
+#include <cstddef> // __GLIBCXX__, _HAS_TR1
+
+// GNU C++ or Intel C++ using libstd++.
+//
+#if defined (__GNUC__) && __GNUC__ >= 4 && defined (__GLIBCXX__)
+#  include <tr1/memory>
+#  define HAVE_TR1_MEMORY 1
+//
+// IBM XL C++.
+//
+#elif defined (__xlC__) && __xlC__ >= 0x0900
+#  define __IBMCPP_TR1__
+#  include <memory>
+#  define HAVE_TR1_MEMORY 1
+//
+// VC++ or Intel C++ using VC++ standard library.
+//
+#elif defined (_MSC_VER) && \
+  (_MSC_VER == 1500 && defined (_HAS_TR1) || _MSC_VER > 1500)
+#  include <memory>
+#  define HAVE_TR1_MEMORY 1
+//
+// Boost fall-back.
+//
+#elif defined (HAVE_BOOST_TR1)
+#  include <boost/tr1/memory.hpp>
+#  define HAVE_TR1_MEMORY 1
+#endif
+
+#endif // TR1_MEMORY_HXX
-- 
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