Restructure the project to match new modular layout.

include/boost/predef/compiler/visualc.h

@@ -0,0 +1,59 @@
+/*
+Copyright Redshift Software, Inc. 2008-2012
+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)
+*/
+
+#ifndef BOOST_PREDEF_COMPILER_VISUALC_H
+#define BOOST_PREDEF_COMPILER_VISUALC_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_COMP_MSVC`]
+
+[@http://en.wikipedia.org/wiki/Visual_studio Microsoft Visual C/C++] compiler.
+Version number available as major, minor, and patch.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[``] [__predef_detection__]]
+
+    [[``] [V.R.P]]
+    ]
+ */
+
+#define BOOST_COMP_MSVC BOOST_VERSION_NUMBER(0,0,0)
+
+#if defined(_MSC_VER)
+#   undef BOOST_COMP_MSVC
+#   if !defined (_MSC_FULL_VER)
+#       define BOOST_COMP_MSVC_BUILD 0
+#   else
+        /* how many digits does the build number have? */
+#       if _MSC_FULL_VER / 10000 == _MSC_VER
+            /* four digits */
+#           define BOOST_COMP_MSVC_BUILD (_MSC_FULL_VER % 10000)
+#       elif _MSC_FULL_VER / 100000 == _MSC_VER
+            /* five digits */
+#           define BOOST_COMP_MSVC_BUILD (_MSC_FULL_VER % 100000)
+#       else
+#           error "Cannot determine build number from _MSC_FULL_VER"
+#       endif
+#   endif
+#   define BOOST_COMP_MSVC BOOST_VERSION_NUMBER(\
+        _MSC_VER/100-6,\
+        _MSC_VER%100,\
+        BOOST_COMP_MSVC_BUILD)
+#endif
+
+#define BOOST_COMP_MSVC_NAME "Microsoft Visual C/C++"
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_COMP_MSVC,BOOST_COMP_MSVC_NAME)
+
+
+#endif