diff options
Diffstat (limited to 'src/corelib/global/qcompilerdetection.h')
| -rw-r--r-- | src/corelib/global/qcompilerdetection.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index 315f53cbb4..6d7635ef67 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -157,8 +157,10 @@ # define Q_UNREACHABLE() __builtin_unreachable() # else /* Plain GCC */ -# define Q_ASSUME(expr) if (expr){} else __builtin_unreachable() -# define Q_UNREACHABLE() __builtin_unreachable() +# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 +# define Q_ASSUME(expr) if (expr){} else __builtin_unreachable() +# define Q_UNREACHABLE() __builtin_unreachable() +# endif # endif # define Q_ALIGNOF(type) __alignof__(type) |