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/usr/include/boost/predef/library/c

Name	Size	Mode	Actions
cloudabi.h	1314	0644	edit dl rm
gnu.h	1506	0644	edit dl rm
uc.h	1127	0644	edit dl rm
vms.h	1057	0644	edit dl rm
zos.h	1407	0644	edit dl rm
_prefix.h	319	0644	edit dl rm

Edit: /usr/include/boost/predef/library/c/uc.h (1127B)

/*
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_UC_H
#define BOOST_PREDEF_LIBRARY_C_UC_H

#include <boost/predef/library/c/_prefix.h>

#include <boost/predef/version_number.h>
#include <boost/predef/make.h>

/* tag::reference[]
= `BOOST_LIB_C_UC`

http://en.wikipedia.org/wiki/Uclibc[uClibc] Standard C library.

[options="header"]
|===
| {predef_symbol} | {predef_version}

| `+__UCLIBC__+` | {predef_detection}

| `+__UCLIBC_MAJOR__+`, `+__UCLIBC_MINOR__+`, `+__UCLIBC_SUBLEVEL__+` | V.R.P
|===
*/ // end::reference[]

#define BOOST_LIB_C_UC BOOST_VERSION_NUMBER_NOT_AVAILABLE

#if defined(__UCLIBC__)
#   undef BOOST_LIB_C_UC
#   define BOOST_LIB_C_UC BOOST_VERSION_NUMBER(\
        __UCLIBC_MAJOR__,__UCLIBC_MINOR__,__UCLIBC_SUBLEVEL__)
#endif

#if BOOST_LIB_C_UC
#   define BOOST_LIB_C_UC_AVAILABLE
#endif

#define BOOST_LIB_C_UC_NAME "uClibc"

#endif

#include <boost/predef/detail/test.h>
BOOST_PREDEF_DECLARE_TEST(BOOST_LIB_C_UC,BOOST_LIB_C_UC_NAME)

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