add boost on mac

macx64/include/boost/predef/platform/windows_system.h

@@ -0,0 +1,47 @@
+/*
+Copyright James E. King III, 2017
+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_PLAT_WINDOWS_SYSTEM_H
+#define BOOST_PREDEF_PLAT_WINDOWS_SYSTEM_H
+
+#include <boost/predef/make.h>
+#include <boost/predef/os/windows.h>
+#include <boost/predef/platform/windows_uwp.h>
+#include <boost/predef/version_number.h>
+
+/*`
+[heading `BOOST_PLAT_WINDOWS_SYSTEM`]
+
+[@https://docs.microsoft.com/en-us/windows/uwp/get-started/universal-application-platform-guide UWP]
+for Windows System development.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`WINAPI_FAMILY == WINAPI_FAMILY_SYSTEM`] [__predef_detection__]]
+    ]
+ */
+
+#define BOOST_PLAT_WINDOWS_SYSTEM BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if BOOST_OS_WINDOWS && \
+    defined(WINAPI_FAMILY_SYSTEM) && WINAPI_FAMILY == WINAPI_FAMILY_SYSTEM
+#   undef BOOST_PLAT_WINDOWS_SYSTEM
+#   define BOOST_PLAT_WINDOWS_SYSTEM BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+ 
+#if BOOST_PLAT_WINDOWS_SYSTEM
+#   define BOOST_PLAT_WINDOWS_SYSTEM_AVAILABLE
+#   include <boost/predef/detail/platform_detected.h>
+#endif
+
+#define BOOST_PLAT_WINDOWS_SYSTEM_NAME "Windows Drivers and Tools"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_PLAT_WINDOWS_SYSTEM,BOOST_PLAT_WINDOWS_SYSTEM_NAME)