diff options
Diffstat (limited to 'src/util.h')
-rw-r--r-- | src/util.h | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -34,6 +34,20 @@ using namespace std; /// Log a fatal message and exit. NORETURN void Fatal(const char* msg, ...); +// Have a generic fall-through for different versions of C/C++. +#if defined(__cplusplus) && __cplusplus >= 201703L +#define NINJA_FALLTHROUGH [[fallthrough]] +#elif defined(__cplusplus) && __cplusplus >= 201103L && defined(__clang__) +#define NINJA_FALLTHROUGH [[clang::fallthrough]] +#elif defined(__cplusplus) && __cplusplus >= 201103L && defined(__GNUC__) && \ + __GNUC__ >= 7 +#define NINJA_FALLTHROUGH [[gnu::fallthrough]] +#elif defined(__GNUC__) && __GNUC__ >= 7 // gcc 7 +#define NINJA_FALLTHROUGH __attribute__ ((fallthrough)) +#else // C++11 on gcc 6, and all other cases +#define NINJA_FALLTHROUGH +#endif + /// Log a warning message. void Warning(const char* msg, ...); |