1//===-- Common defines for sharing LLVM libc with LLVM projects -*- C++ -*-===//
 2//
 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 4// See https://llvm.org/LICENSE.txt for license information.
 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 6//
 7//===----------------------------------------------------------------------===//
 8
 9#ifndef LLVM_LIBC_SHARED_LIBC_COMMON_H
10#define LLVM_LIBC_SHARED_LIBC_COMMON_H
11
12// Use system errno.
13#ifdef LIBC_ERRNO_MODE
14#if LIBC_ERRNO_MODE != LIBC_ERRNO_MODE_SYSTEM_INLINE
15#error                                                                         \
16    "LIBC_ERRNO_MODE was set to something different from LIBC_ERRNO_MODE_SYSTEM_INLINE."
17#endif // LIBC_ERRNO_MODE != LIBC_ERRNO_MODE_SYSTEM_INLINE
18#else
19#define LIBC_ERRNO_MODE LIBC_ERRNO_MODE_SYSTEM_INLINE
20#endif // LIBC_ERRNO_MODE
21
22#ifndef LIBC_NAMESPACE
23#define LIBC_NAMESPACE __llvm_libc
24#endif // LIBC_NAMESPACE
25
26#endif // LLVM_LIBC_SHARED_LIBC_COMMON_H