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Match SPDLOG_CONSTEXPR_FUNC to FMT_CONSTEXPR (#2901)

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* Modify the condition of SPDLOG_CONSTEXPR_FUNC to match that of fmt
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Keith Kraus 2023-10-13 03:00:00 -04:00 committed by GitHub
parent 508d20f0fa
commit 0c4fb032e4
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1 changed files with 13 additions and 4 deletions
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17
include/spdlog/common.h
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@ -65,14 +65,23 @@
#if defined(_MSC_VER) && (_MSC_VER < 1900)
#define SPDLOG_NOEXCEPT _NOEXCEPT
#define SPDLOG_CONSTEXPR
#define SPDLOG_CONSTEXPR_FUNC inline
#else
#define SPDLOG_NOEXCEPT noexcept
#define SPDLOG_CONSTEXPR constexpr
#if __cplusplus >= 201402L
#define SPDLOG_CONSTEXPR_FUNC constexpr
#endif
// If building with std::format, can just use constexpr, otherwise if building with fmt
// SPDLOG_CONSTEXPR_FUNC needs to be set the same as FMT_CONSTEXPR to avoid situations where
// a constexpr function in spdlog could end up calling a non-constexpr function in fmt
// depending on the compiler
// If fmt determines it can't use constexpr, we should inline the function instead
#ifdef SPDLOG_USE_STD_FORMAT
#define SPDLOG_CONSTEXPR_FUNC constexpr
#else // Being built with fmt
#if FMT_USE_CONSTEXPR
#define SPDLOG_CONSTEXPR_FUNC FMT_CONSTEXPR
#else
#define SPDLOG_CONSTEXPR_FUNC inline
#define SPDLOG_CONSTEXPR_FUNC inline
#endif
#endif