created a copy of macos.h as basis for ios.h

include/boost/predef/os/ios.h

@@ -0,0 +1,58 @@
+/*
+Copyright Rene Rivera 2008-2013
+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_OS_MACOS_H
+#define BOOST_PREDEF_OS_MACOS_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_OS_MACOS`]
+
+[@http://en.wikipedia.org/wiki/Mac_OS Mac OS] operating system.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`macintosh`] [__predef_detection__]]
+    [[`Macintosh`] [__predef_detection__]]
+    [[`__APPLE__`] [__predef_detection__]]
+    [[`__MACH__`] [__predef_detection__]]
+
+    [[`__APPLE__`, `__MACH__`] [10.0.0]]
+    [[ /otherwise/ ] [9.0.0]]
+    ]
+ */
+
+#define BOOST_OS_MACOS BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if !BOOST_PREDEF_DETAIL_OS_DETECTED && ( \
+    defined(macintosh) || defined(Macintosh) || \
+    (defined(__APPLE__) && defined(__MACH__)) \
+    )
+#   undef BOOST_OS_MACOS
+#   if !defined(BOOST_OS_MACOS) && defined(__APPLE__) && defined(__MACH__)
+#       define BOOST_OS_MACOS BOOST_VERSION_NUMBER(10,0,0)
+#   endif
+#   if !defined(BOOST_OS_MACOS)
+#       define BOOST_OS_MACOS BOOST_VERSION_NUMBER(9,0,0)
+#   endif
+#endif
+
+#if BOOST_OS_MACOS
+#   define BOOST_OS_MACOS_AVAILABLE
+#   include <boost/predef/detail/os_detected.h>
+#endif
+
+#define BOOST_OS_MACOS_NAME "Mac OS"
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_OS_MACOS,BOOST_OS_MACOS_NAME)
+
+
+#endif