llvm/clang/lib/Headers/builtins.h

/*===---- builtins.h - Standard header for extra builtins -----------------===*\
 *
 * 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
 *
\*===----------------------------------------------------------------------===*/

/// Some legacy compilers have builtin definitions in a file named builtins.h.
/// This header file has been added to allow compatibility with code that was
/// written for those compilers. Code may have an include line for this file
/// and to avoid an error an empty file with this name is provided.
#ifndef __BUILTINS_H
#define __BUILTINS_H

#if defined(__MVS__) && __has_include_next(<builtins.h>)
#include_next <builtins.h>
#endif /* __MVS__ */
#endif /* __BUILTINS_H */