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mdbx++: workaround macro for clang bugs.

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This commit is contained in:
Leonid Yuriev 2021-07-25 23:16:14 +03:00
parent e6a83654a8
commit 79281d59c7
1 changed files with 5 additions and 2 deletions
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7
mdbx.h
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@ -460,8 +460,11 @@ typedef mode_t mdbx_mode_t;
#endif
#endif /* MDBX_PRINTF_ARGS */
#if defined(DOXYGEN) || (__has_cpp_attribute(maybe_unused) && \
(defined(__cplusplus) || __STDC_VERSION__ > 202005L))
#if defined(DOXYGEN) || \
(defined(__cplusplus) && __has_cpp_attribute(maybe_unused) && \
__has_cpp_attribute(maybe_unused) >= 201603) || \
(!defined(__cplusplus) && defined(__STDC_VERSION__) && \
__STDC_VERSION__ > 202005L)
#define MDBX_MAYBE_UNUSED [[maybe_unused]]
#elif defined(__GNUC__) || __has_attribute(__unused__)
#define MDBX_MAYBE_UNUSED __attribute__((__unused__))