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Fix clang version detection for suppression of unused typedef warning.

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This commit is contained in:
Christopher Kohlhoff 2017-11-07 06:54:32 +11:00
parent 565c6e8fa6
commit b441bf70b5
1 changed files with 10 additions and 2 deletions
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12
asio/include/asio/detail/config.hpp
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@ -1340,8 +1340,16 @@
#endif // defined(ASIO_NO_DEPRECATED)
// Newer gcc, clang need special treatment to suppress unused typedef warnings.
#if defined(__clang__) && (__clang_major__ >= 7)
# define ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
#if defined(__clang__)
# if defined(__apple_build_version__)
# if (__clang_major__ >= 7)
# define ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
# endif // (__clang_major__ >= 7)
# elif ((__clang_major__ == 3) && (__clang_minor__ >= 6)) \
|| (__clang_major__ > 3)
# define ASIO_UNUSED_TYPEDEF __attribute__((__unused__))
# endif // ((__clang_major__ == 3) && (__clang_minor__ >= 6))
// || (__clang_major__ > 3)
#elif defined(__GNUC__)
# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)) || (__GNUC__ > 4)
# define ASIO_UNUSED_TYPEDEF __attribute__((__unused__))