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avutil/attributes: add AV_HAS_STD_ATTRIBUTE

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For testing language standard attributes, for both C++ and C.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
This commit is contained in:
Kacper Michajłow
2025-09-25 19:10:01 +02:00
committed by Niklas Haas
parent d6cb0d2c2b
commit a7f0377a3d
1 changed files with 8 additions and 0 deletions
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8
libavutil/attributes.h
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@@ -40,6 +40,14 @@
# define AV_HAS_BUILTIN(x) 0
#endif
#if defined(__cplusplus) && defined(__has_cpp_attribute)
# define AV_HAS_STD_ATTRIBUTE(x) __has_cpp_attribute(x)
#elif !defined(__cplusplus) && defined(__has_c_attribute)
# define AV_HAS_STD_ATTRIBUTE(x) __has_c_attribute(x)
#else
# define AV_HAS_STD_ATTRIBUTE(x) 0
#endif
#ifndef av_always_inline
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_always_inline __attribute__((always_inline)) inline