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Add DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION

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Add DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION for GCC 8.1 to silence
-Wstringop-truncation warning:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643

	* diagnostics.h (DIAGNOSTIC_STRINGIFY_1): New.
	(DIAGNOSTIC_STRINGIFY): Likewise.
	(DIAGNOSTIC_IGNORE): Replace STRINGIFY with DIAGNOSTIC_STRINGIFY.
	(DIAGNOSTIC_IGNORE_SELF_MOVE): Define empty if not defined.
	(DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER): Likewise.
	(DIAGNOSTIC_IGNORE_UNUSED_FUNCTION): Likewise.
	(DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES): Likewise.
	(DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION): New.
This commit is contained in:
H.J. Lu
2018-06-04 06:33:07 -07:00
parent 214b073ced
commit 23081219bf
2 changed files with 38 additions and 10 deletions
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37
include/diagnostics.h
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@@ -19,8 +19,13 @@
#ifdef __GNUC__
# define DIAGNOSTIC_PUSH _Pragma ("GCC diagnostic push")
# define DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop")
/* Stringification. */
# define DIAGNOSTIC_STRINGIFY_1(x) #x
# define DIAGNOSTIC_STRINGIFY(x) DIAGNOSTIC_STRINGIFY_1 (x)
# define DIAGNOSTIC_IGNORE(option) \
_Pragma (STRINGIFY (GCC diagnostic ignored option))
_Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored option))
#else
# define DIAGNOSTIC_PUSH
# define DIAGNOSTIC_POP
@@ -37,24 +42,36 @@
# if __has_warning ("-Wenum-compare-switch")
# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES \
DIAGNOSTIC_IGNORE ("-Wenum-compare-switch")
# else
# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
# endif
#elif defined (__GNUC__) /* GCC */
# define DIAGNOSTIC_IGNORE_SELF_MOVE
# define DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER
# define DIAGNOSTIC_IGNORE_UNUSED_FUNCTION \
DIAGNOSTIC_IGNORE ("-Wunused-function")
# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
#else /* Other compilers */
# if __GNUC__ == 8 && __GNUC_MINOR__ < 2
# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
DIAGNOSTIC_IGNORE ("-Wstringop-truncation")
# endif
#endif
#ifndef DIAGNOSTIC_IGNORE_SELF_MOVE
# define DIAGNOSTIC_IGNORE_SELF_MOVE
# define DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER
# define DIAGNOSTIC_IGNORE_UNUSED_FUNCTION
# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
#endif
#ifndef DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER
# define DIAGNOSTIC_IGNORE_DEPRECATED_REGISTER
#endif
#ifndef DIAGNOSTIC_IGNORE_UNUSED_FUNCTION
# define DIAGNOSTIC_IGNORE_UNUSED_FUNCTION
#endif
#ifndef DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
#endif
#ifndef DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION
# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION
#endif
#endif /* DIAGNOSTICS_H */