GCC v4.4 does not implement __builtin_unreachable(), so avoid using it when building with this version or earlier.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <[email protected]> Tested-by: Laszlo Ersek <[email protected]> --- MdePkg/Include/Base.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h index 858385828d93..7dbf9386b6b4 100644 --- a/MdePkg/Include/Base.h +++ b/MdePkg/Include/Base.h @@ -89,10 +89,11 @@ VERIFY_SIZE_OF (CHAR16, 2); // warnings. // #ifndef UNREACHABLE - #ifdef __GNUC__ + #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4) /// /// Signal compilers and analyzers that this call is not reachable. It is /// up to the compiler to remove any code past that point. + /// Not implemented by GCC 4.4 or earlier. /// #define UNREACHABLE() __builtin_unreachable () #elif defined (__has_feature) -- 1.9.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

