| // 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_ |
