Imported existing code

libraries/include/boost/spirit/home/qi/debug/minimal_macros.hpp

@@ -0,0 +1,37 @@
+/*=============================================================================
+    Copyright (c) 2001-2009 Hartmut Kaiser
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_MINIMAL_MACROS_NOV_12_2007_1047AM)
+#define BOOST_SPIRIT_MINIMAL_MACROS_NOV_12_2007_1047AM
+
+#if !defined(BOOST_SPIRIT_DEBUG_NOV_12_2007_0827AM)
+#error "You must include boost/spirit/home/qi/debug.hpp, not this file"
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+//  Minimum debugging tools support
+#if !defined(BOOST_SPIRIT_DEBUG_OUT)
+#define BOOST_SPIRIT_DEBUG_OUT std::cerr
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+//  Empty implementations of the debug macros above, if no debug support is 
+//  required
+#if !defined(BOOST_SPIRIT_DEBUG_TRACE_NODE_NAME)
+#define BOOST_SPIRIT_DEBUG_TRACE_NODE_NAME(r, n, t)
+#endif
+
+#if !defined(BOOST_SPIRIT_DEBUG_TRACE_NODE)
+#define BOOST_SPIRIT_DEBUG_TRACE_NODE(r, t)
+#endif
+
+#if !defined(BOOST_SPIRIT_DEBUG_NODE)
+#define BOOST_SPIRIT_DEBUG_NODE(r)
+#endif
+
+#endif
+
+