mirror/fmt
1
0
Fork 0
mirror of https://github.com/fmtlib/fmt.git synced 2024-11-07 17:41:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

Extend FMT_FALLTHROUGH compatibily to gcc and clang pre-C++17 (#1469)

Browse Source
This commit is contained in:
Federico 2019-12-11 23:28:20 +01:00 committed by Victor Zverovich
parent 7abec071b5
commit b272fb3605
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
include/fmt/format.h
View File

@ -69,9 +69,17 @@
# define FMT_HAS_BUILTIN(x) 0
#endif
#if FMT_HAS_CPP_ATTRIBUTE(fallthrough) && \
(__cplusplus >= 201703 || FMT_GCC_VERSION != 0)
# define FMT_FALLTHROUGH [[fallthrough]]
#if __cplusplus == 201103L || __cplusplus == 201402L
# if defined(__clang__)
# define FMT_FALLTHROUGH [[clang::fallthrough]];
# elif FMT_GCC_VERSION >= 700
# define FMT_FALLTHROUGH [[gnu::fallthrough]];
# else
# define FMT_FALLTHROUGH
# endif
#elif FMT_HAS_CPP_ATTRIBUTE(fallthrough) && \
((__cplusplus >= 201703) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L))
# define FMT_FALLTHROUGH [[fallthrough]];
#else
# define FMT_FALLTHROUGH
#endif