| // Copyright 2022 The Fuchsia Authors | |
| // | |
| // Use of this source code is governed by a MIT-style | |
| // license that can be found in the LICENSE file or at | |
| // https://opensource.org/licenses/MIT | |
| #ifndef ZIRCON_KERNEL_LIB_KTL_INCLUDE___CONFIG_ | |
| #define ZIRCON_KERNEL_LIB_KTL_INCLUDE___CONFIG_ | |
| // The libc++ internal header <__config> unconditionally responds to some | |
| // predefines set in the EFI environment. So this header wraps it and then | |
| // undoes the damage that our __config_site header can't prevent. | |
| #include_next <__config> | |
| #undef _LIBCPP_WIN32API | |
| #undef _LIBCPP_MSVCRT_LIKE | |
| #undef _LIBCPP_MSVCRT | |
| #undef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| // This prevents libc++ from doing fallback to spin locks and the like for | |
| // cases where is_always_lock_free is not true. In the kernel, we don't want | |
| // any behind-the-scenes help like that, we want to get link errors from | |
| // libcalls if atomics can't be lowered to real hardware instructions. | |
| #undef _LIBCPP_ATOMIC_ONLY_USE_BUILTINS | |
| // These are used by <__configuration/availability.h> to decide when headers | |
| // should expect things to be defined in the library. For the kernel, there is | |
| // no library and so everything must be defined in headers. | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_21 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_21 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_20 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_20 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_19 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_19 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_18 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_18 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_16 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_16 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_15 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_15 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_14 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_14 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_12 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_12 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_11 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_11 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_9 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_9 0 | |
| #undef _LIBCPP_INTRODUCED_IN_LLVM_4 | |
| #define _LIBCPP_INTRODUCED_IN_LLVM_4 0 | |
| #endif // ZIRCON_KERNEL_LIB_KTL_INCLUDE___CONFIG_ |