mirror of
https://github.com/ziglang/zig.git
synced 2025-12-06 06:13:07 +00:00
156ab87500
See: * https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319 * https://discourse.llvm.org/t/rfc-project-hand-in-hand-llvm-libc-libc-code-sharing/77701 We're dropping support for C++03 for Zig due to the first change; it would be insane to ship 1018 duplicate header files just for this outdated use case. As a result of the second change, I had to bring in a subset of the headers from llvm-libc since libc++ now depends on these. Hopefully we can continue to get away with not copying the entirety of llvm-libc.
53 lines
1.6 KiB
C++
Vendored
53 lines
1.6 KiB
C++
Vendored
// -*- 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 _LIBCPP_CERRNO
|
|
#define _LIBCPP_CERRNO
|
|
|
|
/*
|
|
cerrno synopsis
|
|
|
|
Macros:
|
|
|
|
EDOM
|
|
EILSEQ // C99
|
|
ERANGE
|
|
errno
|
|
|
|
*/
|
|
|
|
#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
|
|
# include <__cxx03/cerrno>
|
|
#else
|
|
# include <__config>
|
|
|
|
# include <errno.h>
|
|
|
|
# ifndef _LIBCPP_ERRNO_H
|
|
# error <cerrno> tried including <errno.h> but didn't find libc++'s <errno.h> header. \
|
|
This usually means that your header search paths are not configured properly. \
|
|
The header search paths should contain the C++ Standard Library headers before \
|
|
any C Standard Library, and you are probably using compiler flags that make that \
|
|
not be the case.
|
|
# endif
|
|
|
|
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
# pragma GCC system_header
|
|
# endif
|
|
|
|
// LWG3869 Deprecate std::errc constants related to UNIX STREAMS
|
|
//
|
|
// This LWG issue deprecates the POSIX macros ENODATA, ENOSR, ENOSTR, and ETIME. These were
|
|
// deprecated in libc++ in https://github.com/llvm/llvm-project/pull/80542.
|
|
// Based on the post commit feedback the macro are no longer deprecated.
|
|
// Instead libc++ leaves the deprecation to the provider of errno.h.
|
|
#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
|
|
|
|
#endif // _LIBCPP_CERRNO
|