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Update libcpp.hpp for C++17 features.

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Most particularly BOOST_NO_CXX17_HDR_EXECUTION.
This commit is contained in:
jzmaddock
2021-02-03 17:46:25 +00:00
parent 844f7b096e
commit 45f7d00813
1 changed files with 21 additions and 1 deletions
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22
include/boost/config/stdlib/libcpp.hpp
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@ -104,8 +104,28 @@
# define BOOST_NO_CXX98_BINDERS
#endif
#define BOOST_NO_CXX17_ITERATOR_TRAITS
#ifdef __has_include
#if __has_include(<version>)
#if !defined(__cpp_lib_execution) || (__cpp_lib_execution < 201603L)
# define BOOST_NO_CXX17_HDR_EXECUTION
#endif
#if !defined(__cpp_lib_invoke) || (__cpp_lib_invoke < 201411L)
#define BOOST_NO_CXX17_STD_INVOKE
#endif
#else
#define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result)
#define BOOST_NO_CXX17_HDR_EXECUTION
#endif
#else
#define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result)
#define BOOST_NO_CXX17_HDR_EXECUTION
#endif
#if _LIBCPP_VERSION < 10000 // What's the correct version check here?
#define BOOST_NO_CXX17_ITERATOR_TRAITS
#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