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8cedff10a1
An issue I often see in codebases compiled for unusual platforms is that header search paths are specified manually and are subtly wrong. For example, people will manually add `-isystem <some-toolchain>/usr/include`, which ends up messing up the layering of header search paths required by libc++ (because the C Standard Library now appears *before* libc++ in the search paths). Without this patch, this will end up causing compilation errors that are pretty inscrutable. This patch aims to improve the user experience by diagnosing this issue explicitly. In all cases I can think of, I would expect that a compilation error occur if these header search paths are not layered properly. This should only provide an explicit diagnostic instead of failing due to seemingly unrelated compilation errors. Differential Revision: https://reviews.llvm.org/D131441
201 lines
3.9 KiB
C++
201 lines
3.9 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_CSTDINT
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#define _LIBCPP_CSTDINT
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/*
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cstdint synopsis
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Macros:
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INT8_MIN
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INT16_MIN
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INT32_MIN
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INT64_MIN
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INT8_MAX
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INT16_MAX
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INT32_MAX
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INT64_MAX
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UINT8_MAX
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UINT16_MAX
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UINT32_MAX
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UINT64_MAX
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INT_LEAST8_MIN
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INT_LEAST16_MIN
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INT_LEAST32_MIN
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INT_LEAST64_MIN
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INT_LEAST8_MAX
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INT_LEAST16_MAX
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INT_LEAST32_MAX
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INT_LEAST64_MAX
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UINT_LEAST8_MAX
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UINT_LEAST16_MAX
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UINT_LEAST32_MAX
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UINT_LEAST64_MAX
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INT_FAST8_MIN
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INT_FAST16_MIN
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INT_FAST32_MIN
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INT_FAST64_MIN
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INT_FAST8_MAX
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INT_FAST16_MAX
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INT_FAST32_MAX
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INT_FAST64_MAX
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UINT_FAST8_MAX
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UINT_FAST16_MAX
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UINT_FAST32_MAX
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UINT_FAST64_MAX
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INTPTR_MIN
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INTPTR_MAX
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UINTPTR_MAX
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INTMAX_MIN
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INTMAX_MAX
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UINTMAX_MAX
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PTRDIFF_MIN
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PTRDIFF_MAX
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SIG_ATOMIC_MIN
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SIG_ATOMIC_MAX
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SIZE_MAX
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WCHAR_MIN
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WCHAR_MAX
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WINT_MIN
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WINT_MAX
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INT8_C(value)
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INT16_C(value)
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INT32_C(value)
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INT64_C(value)
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UINT8_C(value)
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UINT16_C(value)
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UINT32_C(value)
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UINT64_C(value)
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INTMAX_C(value)
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UINTMAX_C(value)
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namespace std
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{
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Types:
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int8_t
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int16_t
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int32_t
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int64_t
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uint8_t
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uint16_t
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uint32_t
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uint64_t
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int_least8_t
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int_least16_t
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int_least32_t
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int_least64_t
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uint_least8_t
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uint_least16_t
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uint_least32_t
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uint_least64_t
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int_fast8_t
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int_fast16_t
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int_fast32_t
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int_fast64_t
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uint_fast8_t
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uint_fast16_t
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uint_fast32_t
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uint_fast64_t
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intptr_t
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uintptr_t
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intmax_t
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uintmax_t
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} // std
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*/
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#include <__assert> // all public C++ headers provide the assertion handler
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#include <__config>
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#include <stdint.h>
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#ifndef _LIBCPP_STDINT_H
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# error <cstdint> tried including <stdint.h> but didn't find libc++'s <stdint.h> header. \
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This usually means that your header search paths are not configured properly. \
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The header search paths should contain the C++ Standard Library headers before \
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any C Standard Library, and you are probably using compiler flags that make that \
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not be the case.
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#endif
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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using ::int8_t _LIBCPP_USING_IF_EXISTS;
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using ::int16_t _LIBCPP_USING_IF_EXISTS;
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using ::int32_t _LIBCPP_USING_IF_EXISTS;
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using ::int64_t _LIBCPP_USING_IF_EXISTS;
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using ::uint8_t _LIBCPP_USING_IF_EXISTS;
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using ::uint16_t _LIBCPP_USING_IF_EXISTS;
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using ::uint32_t _LIBCPP_USING_IF_EXISTS;
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using ::uint64_t _LIBCPP_USING_IF_EXISTS;
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using ::int_least8_t _LIBCPP_USING_IF_EXISTS;
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using ::int_least16_t _LIBCPP_USING_IF_EXISTS;
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using ::int_least32_t _LIBCPP_USING_IF_EXISTS;
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using ::int_least64_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_least8_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_least16_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_least32_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_least64_t _LIBCPP_USING_IF_EXISTS;
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using ::int_fast8_t _LIBCPP_USING_IF_EXISTS;
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using ::int_fast16_t _LIBCPP_USING_IF_EXISTS;
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using ::int_fast32_t _LIBCPP_USING_IF_EXISTS;
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using ::int_fast64_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_fast8_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_fast16_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_fast32_t _LIBCPP_USING_IF_EXISTS;
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using ::uint_fast64_t _LIBCPP_USING_IF_EXISTS;
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using ::intptr_t _LIBCPP_USING_IF_EXISTS;
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using ::uintptr_t _LIBCPP_USING_IF_EXISTS;
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using ::intmax_t _LIBCPP_USING_IF_EXISTS;
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using ::uintmax_t _LIBCPP_USING_IF_EXISTS;
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_CSTDINT
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