ceph/src/boost/boost/poly_collection/detail/workaround_dr1467.hpp

   1 /* Copyright 2017 Joaquin M Lopez Munoz.
   2  * Distributed under the Boost Software License, Version 1.0.
   3  * (See accompanying file LICENSE_1_0.txt or copy at
   4  * http://www.boost.org/LICENSE_1_0.txt)
   5  *
   6  * See http://www.boost.org/libs/poly_collection for library home page.
   7  */
   8
   9 #ifndef BOOST_POLY_COLLECTION_DETAIL_WORKAROUND_DR1467_HPP
  10 #define BOOST_POLY_COLLECTION_DETAIL_WORKAROUND_DR1467_HPP
  11
  12 #if defined(_MSC_VER)
  13 #pragma once
  14 #endif
  15
  16 #include <boost/config.hpp>
  17 #include <boost/detail/workaround.hpp>
  18
  19 #if BOOST_WORKAROUND(BOOST_GCC_VERSION,<50000)||\
  20     defined(BOOST_CLANG)&&\
  21       (__clang_major__<3||(__clang_major__==3&&__clang_minor__<=6))
  22 /* Defect report 1467 denounces that for aggregate types an intended {}-style
  23  * copy construction will be mistaken for aggregate initialization:
  24  *   http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1467
  25  *
  26  * A solution is to define a default constructor for the offending class so
  27  * that it is no longer an aggregate.
  28  */
  29
  30 #define BOOST_POLY_COLLECTION_WORKAROUND_DR1467(name) name(){}
  31 #else
  32 #define BOOST_POLY_COLLECTION_WORKAROUND_DR1467(name)
  33 #endif
  34
  35 #endif