整理

include/boost/predef/os/linux.h

@@ -0,0 +1,50 @@
+/*
+Copyright Rene Rivera 2008-2015
+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_LINUX_H
+#define BOOST_PREDEF_OS_LINUX_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/* tag::reference[]
+= `BOOST_OS_LINUX`
+
+http://en.wikipedia.org/wiki/Linux[Linux] operating system.
+
+[options="header"]
+|===
+| {predef_symbol} | {predef_version}
+
+| `linux` | {predef_detection}
+| `+__linux+` | {predef_detection}
+| `+__linux__+` | {predef_detection}
+| `+__gnu_linux__+` | {predef_detection}
+|===
+*/ // end::reference[]
+
+#define BOOST_OS_LINUX BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if !defined(BOOST_PREDEF_DETAIL_OS_DETECTED) && ( \
+    defined(linux) || defined(__linux) || \
+    defined(__linux__) || defined(__gnu_linux__) \
+    )
+#   undef BOOST_OS_LINUX
+#   define BOOST_OS_LINUX BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
+#if BOOST_OS_LINUX
+#   define BOOST_OS_LINUX_AVAILABLE
+#   include <boost/predef/detail/os_detected.h>
+#endif
+
+#define BOOST_OS_LINUX_NAME "Linux"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_OS_LINUX,BOOST_OS_LINUX_NAME)