diff options
| -rw-r--r-- | src/corelib/global/qcompilerdetection.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index a4af8b8899..383d9c9c6e 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -157,6 +157,10 @@ # define Q_CC_CLANG # define Q_ASSUME_IMPL(expr) if (expr){} else __builtin_unreachable() # define Q_UNREACHABLE_IMPL() __builtin_unreachable() +# if !defined(__has_extension) +# /* Compatibility with older Clang versions */ +# define __has_extension __has_feature +# endif # else /* Plain GCC */ # if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405 |