From 23081219bfe58dd07b1e0a110728d7195155d0e2 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 4 Jun 2018 06:33:07 -0700 Subject: [PATCH] Add DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION 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. --- include/ChangeLog | 11 +++++++++++ include/diagnostics.h | 31 ++++++++++++++++++++++++------- 2 files changed, 35 insertions(+), 7 deletions(-) diff --git a/include/ChangeLog b/include/ChangeLog index c8e2cd49015..74be7787dc6 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,14 @@ +2018-06-04 H.J. Lu + + * 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. + 2018-06-01 H.J. Lu * diagnostics.h: Moved from ../gdb/common/diagnostics.h. diff --git a/include/diagnostics.h b/include/diagnostics.h index 0725664177f..f7412d4a38f 100644 --- a/include/diagnostics.h +++ b/include/diagnostics.h @@ -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 +#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 */ -- 2.30.2