整理

include/boost/predef/library/c/gnu.h

@@ -0,0 +1,62 @@
+/*
+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_LIBRARY_C_GNU_H
+#define BOOST_PREDEF_LIBRARY_C_GNU_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+#include <boost/predef/library/c/_prefix.h>
+
+#if defined(__STDC__)
+#include <stddef.h>
+#elif defined(__cplusplus)
+#include <cstddef>
+#endif
+
+/* tag::reference[]
+= `BOOST_LIB_C_GNU`
+
+http://en.wikipedia.org/wiki/Glibc[GNU glibc] Standard C library.
+Version number available as major, and minor.
+
+[options="header"]
+|===
+| {predef_symbol} | {predef_version}
+
+| `+__GLIBC__+` | {predef_detection}
+| `+__GNU_LIBRARY__+` | {predef_detection}
+
+| `+__GLIBC__+`, `+__GLIBC_MINOR__+` | V.R.0
+| `+__GNU_LIBRARY__+`, `+__GNU_LIBRARY_MINOR__+` | V.R.0
+|===
+*/ // end::reference[]
+
+#define BOOST_LIB_C_GNU BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__GLIBC__) || defined(__GNU_LIBRARY__)
+#   undef BOOST_LIB_C_GNU
+#   if defined(__GLIBC__)
+#       define BOOST_LIB_C_GNU \
+            BOOST_VERSION_NUMBER(__GLIBC__,__GLIBC_MINOR__,0)
+#   else
+#       define BOOST_LIB_C_GNU \
+            BOOST_VERSION_NUMBER(__GNU_LIBRARY__,__GNU_LIBRARY_MINOR__,0)
+#   endif
+#endif
+
+#if BOOST_LIB_C_GNU
+#   define BOOST_LIB_C_GNU_AVAILABLE
+#endif
+
+#define BOOST_LIB_C_GNU_NAME "GNU"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_LIB_C_GNU,BOOST_LIB_C_GNU_NAME)