diff options
Diffstat (limited to 'include/qemu/compiler.h')
| -rw-r--r-- | include/qemu/compiler.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index c2f49df1f9..a309f90c76 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -184,4 +184,17 @@ #define QEMU_DISABLE_CFI #endif +/* + * Apple clang version 14 has a bug in its __builtin_subcll(); define + * BUILTIN_SUBCLL_BROKEN for the offending versions so we can avoid it. + * When a version of Apple clang which has this bug fixed is released + * we can add an upper bound to this check. + * See https://gitlab.com/qemu-project/qemu/-/issues/1631 + * and https://gitlab.com/qemu-project/qemu/-/issues/1659 for details. + * The bug never made it into any upstream LLVM releases, only Apple ones. + */ +#if defined(__apple_build_version__) && __clang_major__ >= 14 +#define BUILTIN_SUBCLL_BROKEN +#endif + #endif /* COMPILER_H */ |