ceph/src/boost/boost/predef/library/c/gnu.h

   1 /*
   2 Copyright Rene Rivera 2008-2015
   3 Distributed under the Boost Software License, Version 1.0.
   4 (See accompanying file LICENSE_1_0.txt or copy at
   5 http://www.boost.org/LICENSE_1_0.txt)
   6 */
   7
   8 #ifndef BOOST_PREDEF_LIBRARY_C_GNU_H
   9 #define BOOST_PREDEF_LIBRARY_C_GNU_H
  10
  11 #include <boost/predef/version_number.h>
  12 #include <boost/predef/make.h>
  13
  14 #include <boost/predef/library/c/_prefix.h>
  15
  16 #if defined(__STDC__)
  17 #include <stddef.h>
  18 #elif defined(__cplusplus)
  19 #include <cstddef>
  20 #endif
  21
  22 /* tag::reference[]
  23 = `BOOST_LIB_C_GNU`
  24
  25 http://en.wikipedia.org/wiki/Glibc[GNU glibc] Standard C library.
  26 Version number available as major, and minor.
  27
  28 [options="header"]
  29 |===
  30 | {predef_symbol} | {predef_version}
  31
  32 | `+__GLIBC__+` | {predef_detection}
  33 | `+__GNU_LIBRARY__+` | {predef_detection}
  34
  35 | `+__GLIBC__+`, `+__GLIBC_MINOR__+` | V.R.0
  36 | `+__GNU_LIBRARY__+`, `+__GNU_LIBRARY_MINOR__+` | V.R.0
  37 |===
  38 */ // end::reference[]
  39
  40 #define BOOST_LIB_C_GNU BOOST_VERSION_NUMBER_NOT_AVAILABLE
  41
  42 #if defined(__GLIBC__) || defined(__GNU_LIBRARY__)
  43 #   undef BOOST_LIB_C_GNU
  44 #   if defined(__GLIBC__)
  45 #       define BOOST_LIB_C_GNU \
  46             BOOST_VERSION_NUMBER(__GLIBC__,__GLIBC_MINOR__,0)
  47 #   else
  48 #       define BOOST_LIB_C_GNU \
  49             BOOST_VERSION_NUMBER(__GNU_LIBRARY__,__GNU_LIBRARY_MINOR__,0)
  50 #   endif
  51 #endif
  52
  53 #if BOOST_LIB_C_GNU
  54 #   define BOOST_LIB_C_GNU_AVAILABLE
  55 #endif
  56
  57 #define BOOST_LIB_C_GNU_NAME "GNU"
  58
  59 #endif
  60
  61 #include <boost/predef/detail/test.h>
  62 BOOST_PREDEF_DECLARE_TEST(BOOST_LIB_C_GNU,BOOST_LIB_C_GNU_NAME)