fixed to adapt gcc-5.4 & glibc-2.25

zhangmeng

2021-07-02 056f71f24cefaf88f2a93714c6678c03ed5f1e0e

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/*
Copyright Rene Rivera 2014
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_DETAIL_COMP_DETECTED
#define BOOST_PREDEF_DETAIL_COMP_DETECTED 1
#endif