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Add stdlib version check for C++20 (#3754)

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Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
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Vladislav Shchapov authored and GitHub committed 2023-12-17 08:33:17 -08:00
1 parent afa85e46c3
commit 923005bd4f
2 files changed
+15 -9
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include/fmt/core.h
+6 -3
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@@ -105,9 +105,12 @@
# define FMT_CONSTEXPR
#endif
#if ((FMT_CPLUSPLUS >= 202002L) && \
(!defined(_GLIBCXX_RELEASE) || _GLIBCXX_RELEASE > 9)) || \
(FMT_CPLUSPLUS >= 201709L && FMT_GCC_VERSION >= 1002)
#if (FMT_CPLUSPLUS >= 202002L || \
(FMT_CPLUSPLUS >= 201709L && FMT_GCC_VERSION >= 1002)) && \
((!defined(_GLIBCXX_RELEASE) || _GLIBCXX_RELEASE >= 10) && \
(!defined(_LIBCPP_VERSION) || _LIBCPP_VERSION >= 10000) && \
(!FMT_MSC_VERSION || FMT_MSC_VERSION >= 1928)) && \
defined(__cpp_lib_is_constant_evaluated)
# define FMT_CONSTEXPR20 constexpr
#else
# define FMT_CONSTEXPR20