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Make FMT_USE_CONSTEVAL optional #4545 (#4546)

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SnapperTT
2025-09-25 03:30:41 +09:30
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parent e28c371c0f
commit a2fd48e039
1 changed files with 3 additions and 1 deletions
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4
include/fmt/base.h
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@@ -114,7 +114,9 @@
#endif #endif
// Detect consteval, C++20 constexpr extensions and std::is_constant_evaluated. // Detect consteval, C++20 constexpr extensions and std::is_constant_evaluated.
#if !defined(__cpp_lib_is_constant_evaluated) #ifdef FMT_USE_CONSTEVAL
// Use the provided definition.
#elif !defined(__cpp_lib_is_constant_evaluated)
# define FMT_USE_CONSTEVAL 0 # define FMT_USE_CONSTEVAL 0
#elif FMT_CPLUSPLUS < 201709L #elif FMT_CPLUSPLUS < 201709L
# define FMT_USE_CONSTEVAL 0 # define FMT_USE_CONSTEVAL 0