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C++17 or later use inline constexpr vars #305

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walbourn merged 2 commits into from
May 13, 2026
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C++17 or later use inline constexpr vars #305

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C++17 or later use inline constexpr vars
walbourn May 13, 2026
931b2c8
Additional GHA coverage for C++20
walbourn May 13, 2026
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4 changes: 3 additions & 1 deletion Inc/DirectXMath.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2006,7 +2006,9 @@ namespace DirectX
// separate math routine it would be reloaded.

#ifndef XMGLOBALCONST
#if defined(__GNUC__) && !defined(__MINGW32__)
#if __cplusplus >= 201703L
#define XMGLOBALCONST inline constexpr
#elif defined(__GNUC__) && !defined(__MINGW32__)
#define XMGLOBALCONST extern const __attribute__((weak))
#else
#define XMGLOBALCONST extern const __declspec(selectany)
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