| //===-- Compile time compiler detection -------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_COMPILER_H |
| #define LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_COMPILER_H |
| |
| // Example usage of compiler version checks |
| // #if defined(LIBC_COMPILER_CLANG_VER) |
| // # if LIBC_COMPILER_CLANG_VER < 1500 |
| // # warning "Libc only supports Clang 15 and later" |
| // # endif |
| // #elif defined(LIBC_COMPILER_GCC_VER) |
| // # if LIBC_COMPILER_GCC_VER < 1500 |
| // # warning "Libc only supports GCC 15 and later" |
| // # endif |
| // #elif defined(LIBC_COMPILER_MSC_VER) |
| // # if LIBC_COMPILER_MSC_VER < 1930 |
| // # warning "Libc only supports Visual Studio 2022 RTW (17.0) and later" |
| // # endif |
| // #endif |
| |
| #if defined(__clang__) |
| #define LIBC_COMPILER_IS_CLANG |
| #define LIBC_COMPILER_CLANG_VER (__clang_major__ * 100 + __clang_minor__) |
| #endif |
| |
| #if defined(__GNUC__) && !defined(__clang__) |
| #define LIBC_COMPILER_IS_GCC |
| #define LIBC_COMPILER_GCC_VER (__GNUC__ * 100 + __GNUC_MINOR__) |
| #endif |
| |
| #if defined(_MSC_VER) |
| #define LIBC_COMPILER_IS_MSC |
| // https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros |
| #define LIBC_COMPILER_MSC_VER (_MSC_VER) |
| #endif |
| |
| #endif // LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_COMPILER_H |
