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Fix standard version detection for msvc and void_t for certain gcc versions

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This commit is contained in:
Krystian Stasiowski
2020-01-03 16:06:12 -05:00
parent f800ef49e4
commit a67bc09a3e
3 changed files with 23 additions and 9 deletions
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19
include/boost/static_string/config.hpp
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@ -21,7 +21,7 @@
// #define BOOST_STATIC_STRING_NULL_OPTIMIZATION
// Can we have deduction guides?
#ifdef __cpp_deduction_guides
#if __cpp_deduction_guides >= 201703
#define BOOST_STATIC_STRING_USE_DEDUCT
#endif
@ -36,7 +36,14 @@
#define BOOST_STATIC_STRING_NODISCARD
#endif
#if __cplusplus > 201703L
// MSVC doesn't define __cplusplus by default
#ifdef _MSVC_LANG
#define BOOST_STATIC_STRING_STANDARD_VERSION _MSVC_LANG
#else
#define BOOST_STATIC_STRING_STANDARD_VERSION __cplusplus
#endif
#if BOOST_STATIC_STRING_STANDARD_VERSION > 201703L
#define BOOST_STATIC_STRING_CPP20_CONSTEXPR constexpr
#define BOOST_STATIC_STRING_CPP17_CONSTEXPR constexpr
#define BOOST_STATIC_STRING_CPP14_CONSTEXPR constexpr
@ -46,7 +53,7 @@
#define BOOST_STATIC_STRING_CPP14_CONSTEXPR_USED
#define BOOST_STATIC_STRING_CPP11_CONSTEXPR_USED
#define BOOST_STATIC_STRING_ALLOW_UNINIT_MEM
#elif __cplusplus >= 201703L
#elif BOOST_STATIC_STRING_STANDARD_VERSION >= 201703L
#define BOOST_STATIC_STRING_CPP20_CONSTEXPR
#define BOOST_STATIC_STRING_CPP17_CONSTEXPR constexpr
#define BOOST_STATIC_STRING_CPP14_CONSTEXPR constexpr
@ -54,7 +61,7 @@
#define BOOST_STATIC_STRING_CPP17_CONSTEXPR_USED
#define BOOST_STATIC_STRING_CPP14_CONSTEXPR_USED
#define BOOST_STATIC_STRING_CPP11_CONSTEXPR_USED
#elif __cplusplus >= 201402L
#elif BOOST_STATIC_STRING_STANDARD_VERSION >= 201402L
#define BOOST_STATIC_STRING_CPP20_CONSTEXPR
#define BOOST_STATIC_STRING_CPP17_CONSTEXPR
#define BOOST_STATIC_STRING_CPP14_CONSTEXPR constexpr
@ -117,8 +124,8 @@
#endif
#endif
#if (__cplusplus >= 201402L) && \
(__cplusplus < 201703L) && \
#if (BOOST_STATIC_STRING_STANDARD_VERSION >= 201402L) && \
(BOOST_STATIC_STRING_STANDARD_VERSION < 201703L) && \
defined(__clang__) && \
((__clang_major__ == 4) || (__clang_major__ == 5))
// This directive works on clang