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Ignores -Wattributes for GCC 7 and 8 to mask compiler bug.

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See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89325
This bug produces massive amounts of spurious warnings and is present
in the version of g++ currently available in RHEL devtoolset-7 and devtoolset-8.
This commit is contained in:
Connor James Smith 2019-11-27 14:59:36 +00:00
parent 4b76e7783b
commit 8d9fb7cf33
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GPG Key ID: 1DD56EBB27D298FA
1 changed files with 21 additions and 0 deletions
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21
enum.h
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@ -27,16 +27,31 @@
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER _Pragma("GCC diagnostic push") # define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER _Pragma("GCC diagnostic push")
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN _Pragma("GCC diagnostic ignored \"-Wold-style-cast\"") # define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN _Pragma("GCC diagnostic ignored \"-Wold-style-cast\"")
# define BETTER_ENUMS_IGNORE_OLD_CAST_END _Pragma("GCC diagnostic pop") # define BETTER_ENUMS_IGNORE_OLD_CAST_END _Pragma("GCC diagnostic pop")
# if (BETTER_ENUMS_GCC_VERSION >= 70300)
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER _Pragma("GCC diagnostic push")
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN _Pragma("GCC diagnostic ignored \"-Wattributes\"")
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_END _Pragma("GCC diagnostic pop")
# else
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_END
# endif
# else # else
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER # define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN # define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN
# define BETTER_ENUMS_IGNORE_OLD_CAST_END # define BETTER_ENUMS_IGNORE_OLD_CAST_END
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_END
# endif # endif
# endif # endif
#else // empty definitions for compilers that don't support _Pragma #else // empty definitions for compilers that don't support _Pragma
# define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER # define BETTER_ENUMS_IGNORE_OLD_CAST_HEADER
# define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN # define BETTER_ENUMS_IGNORE_OLD_CAST_BEGIN
# define BETTER_ENUMS_IGNORE_OLD_CAST_END # define BETTER_ENUMS_IGNORE_OLD_CAST_END
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN
# define BETTER_ENUMS_IGNORE_ATTRIBUTES_END
#endif #endif
// Feature detection. // Feature detection.
@ -725,12 +740,15 @@ BETTER_ENUMS_ID(GenerateStrings(Enum, __VA_ARGS__)) \
\ \
} \ } \
\ \
BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER \
BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN \
BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \ BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \
inline const Enum \ inline const Enum \
operator +(Enum::_enumerated enumerated) \ operator +(Enum::_enumerated enumerated) \
{ \ { \
return static_cast<Enum>(enumerated); \ return static_cast<Enum>(enumerated); \
} \ } \
BETTER_ENUMS_IGNORE_ATTRIBUTES_END \
\ \
BETTER_ENUMS_CONSTEXPR_ inline Enum::_optional_index \ BETTER_ENUMS_CONSTEXPR_ inline Enum::_optional_index \
Enum::_from_value_loop(Enum::_integral value, std::size_t index) \ Enum::_from_value_loop(Enum::_integral value, std::size_t index) \
@ -901,6 +919,8 @@ ToStringConstexpr inline Enum::_name_iterable Enum::_names() \
\ \
DefineInitialize(Enum) \ DefineInitialize(Enum) \
\ \
BETTER_ENUMS_IGNORE_ATTRIBUTES_HEADER \
BETTER_ENUMS_IGNORE_ATTRIBUTES_BEGIN \
BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \ BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \
inline bool operator ==(const Enum &a, const Enum &b) \ inline bool operator ==(const Enum &a, const Enum &b) \
{ return a._to_integral() == b._to_integral(); } \ { return a._to_integral() == b._to_integral(); } \
@ -924,6 +944,7 @@ inline bool operator >(const Enum &a, const Enum &b) \
BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \ BETTER_ENUMS_UNUSED BETTER_ENUMS_CONSTEXPR_ \
inline bool operator >=(const Enum &a, const Enum &b) \ inline bool operator >=(const Enum &a, const Enum &b) \
{ return a._to_integral() >= b._to_integral(); } \ { return a._to_integral() >= b._to_integral(); } \
BETTER_ENUMS_IGNORE_ATTRIBUTES_END \
\ \
\ \
template <typename Char, typename Traits> \ template <typename Char, typename Traits> \