From 81e584ed17902878579131776b4e5a9f7b54cdab Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Sat, 20 May 2017 14:01:03 +1000 Subject: CMake: Use GCC7's -Wimplicit-fallthrough=5 Use to avoid accidental missing break statements, use ATTR_FALLTHROUGH to suppress. --- source/blender/blenlib/BLI_compiler_attrs.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'source/blender/blenlib/BLI_compiler_attrs.h') diff --git a/source/blender/blenlib/BLI_compiler_attrs.h b/source/blender/blenlib/BLI_compiler_attrs.h index f0d32670229..4c548654e33 100644 --- a/source/blender/blenlib/BLI_compiler_attrs.h +++ b/source/blender/blenlib/BLI_compiler_attrs.h @@ -92,4 +92,12 @@ # define ATTR_PRINTF_FORMAT(format_param, dots_param) #endif +/* Use to suppress '-Wimplicit-fallthrough' (in place of 'break'). */ +#if defined(__GNUC__) && (__GNUC__ >= 7) /* gcc7.0+ only */ +#define ATTR_FALLTHROUGH __attribute__((fallthrough)) +#else +#define ATTR_FALLTHROUGH ((void)0) +#endif + + #endif /* __BLI_COMPILER_ATTRS_H__ */ -- cgit v1.2.3