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Enabled C++17 CTAD guides for MSVC 14.14 (VS2017 Update 7) and later.

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MSVC doesn't define the standard feature detection macros, so we have to
resort to compiler version checks.
This commit is contained in:
Andrey Semashev
2022-06-06 14:09:07 +03:00
parent ae6e2f3dd7
commit cbc2f84709
1 changed files with 5 additions and 1 deletions
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6
include/boost/config/detail/suffix.hpp
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@ -1219,7 +1219,11 @@ namespace std{ using ::type_info; }
# define BOOST_NO_CXX20_HDR_VERSION
#endif
#if !defined(__cpp_deduction_guides) || (__cpp_deduction_guides < 201606)
#if defined(BOOST_MSVC)
#if (BOOST_MSVC < 1914) || (_MSVC_LANG < 201703)
# define BOOST_NO_CXX17_DEDUCTION_GUIDES
#endif
#elif !defined(__cpp_deduction_guides) || (__cpp_deduction_guides < 201606)
# define BOOST_NO_CXX17_DEDUCTION_GUIDES
#endif