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define BOOST_NO_AUTO_PTR when building with libc++ and C++17

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New libc++ versions remove `std::auto_ptr` when building as C++17, unless the magic tag `_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR` is defined. Tell the rest of Boost that there's no `auto_ptr` in that case.
This commit is contained in:
Marshall Clow
2017-05-19 12:22:13 -06:00
committed by GitHub
parent cd396b619a
commit 0df7552f38
1 changed files with 3 additions and 0 deletions
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3
include/boost/config/stdlib/libcpp.hpp
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@ -91,6 +91,9 @@
#if (_LIBCPP_VERSION < 4000) || (__cplusplus <= 201402L)
# define BOOST_NO_CXX17_STD_APPLY
#endif
#if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR)
# define BOOST_NO_AUTO_PTR
#endif
#if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
// This is a bit of a sledgehammer, because really it's just libc++abi that has no