整理

include/boost/predef/library/std/cxx.h

@@ -0,0 +1,47 @@
+/*
+Copyright Rene Rivera 2011-2015
+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_LIBRARY_STD_CXX_H
+#define BOOST_PREDEF_LIBRARY_STD_CXX_H
+
+#include <boost/predef/library/std/_prefix.h>
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/* tag::reference[]
+= `BOOST_LIB_STD_CXX`
+
+http://libcxx.llvm.org/[libc++] {CPP} Standard Library.
+
+[options="header"]
+|===
+| {predef_symbol} | {predef_version}
+
+| `+_LIBCPP_VERSION+` | {predef_detection}
+
+| `+_LIBCPP_VERSION+` | V.0.P
+|===
+*/ // end::reference[]
+
+#define BOOST_LIB_STD_CXX BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(_LIBCPP_VERSION)
+#   undef BOOST_LIB_STD_CXX
+#   define BOOST_LIB_STD_CXX BOOST_PREDEF_MAKE_10_VVPPP(_LIBCPP_VERSION)
+#endif
+
+#if BOOST_LIB_STD_CXX
+#   define BOOST_LIB_STD_CXX_AVAILABLE
+#endif
+
+#define BOOST_LIB_STD_CXX_NAME "libc++"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_LIB_STD_CXX,BOOST_LIB_STD_CXX_NAME)