72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
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// SPDX-FileCopyrightText: Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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// SPDX-License-Identifier: BSD-3
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//! @file
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//! Detect the version of the C++ standard used by the compiler.
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#pragma once
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#include <cuda/__cccl_config>
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#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
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# pragma GCC system_header
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#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
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# pragma clang system_header
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#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
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# pragma system_header
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#endif // no system header
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#ifndef _CCCL_DOXYGEN_INVOKED // Do not document
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// Deprecation warnings may be silenced by defining the following macros. These
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// may be combined.
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// - CCCL_IGNORE_DEPRECATED_COMPILER
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// Ignore deprecation warnings when using deprecated compilers. Compiling
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// with deprecated C++ dialects will still issue warnings.
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//! Deprecated [Since 3.0]
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# define CUB_CPP_DIALECT _CCCL_STD_VER
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// Define CUB_COMPILER_DEPRECATION macro:
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# if _CCCL_COMPILER(MSVC) || _CCCL_COMPILER(NVRTC)
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# define CUB_COMP_DEPR_IMPL(msg) _CCCL_PRAGMA(message(__FILE__ ":" _CCCL_TO_STRING(__LINE__) ": warning: " #msg))
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# else // clang / gcc:
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# define CUB_COMP_DEPR_IMPL(msg) _CCCL_PRAGMA(GCC warning #msg)
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# endif
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// Compiler checks:
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// clang-format off
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# define CUB_COMPILER_DEPRECATION(REQ) \
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CUB_COMP_DEPR_IMPL(CUB requires at least REQ. Define CCCL_IGNORE_DEPRECATED_COMPILER to suppress this message.)
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# define CUB_COMPILER_DEPRECATION_SOFT(REQ, CUR) \
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CUB_COMP_DEPR_IMPL( \
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CUB requires at least REQ. CUR is deprecated but still supported. CUR support will be removed in a \
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future release. Define CCCL_IGNORE_DEPRECATED_COMPILER to suppress this message.)
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// clang-format on
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# ifndef CCCL_IGNORE_DEPRECATED_COMPILER
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# if _CCCL_COMPILER(GCC, <, 7)
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CUB_COMPILER_DEPRECATION(GCC 7.0);
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# elif _CCCL_COMPILER(CLANG, <, 7)
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CUB_COMPILER_DEPRECATION(Clang 7.0);
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# elif _CCCL_COMPILER(MSVC, <, 19, 10)
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// <2017. Hard upgrade message:
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CUB_COMPILER_DEPRECATION(MSVC 2019(19.20 / 16.0 / 14.20));
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# endif
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# endif // CCCL_IGNORE_DEPRECATED_COMPILER
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# undef CUB_COMPILER_DEPRECATION_SOFT
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# undef CUB_COMPILER_DEPRECATION
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// C++17 dialect check:
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# ifndef CCCL_IGNORE_DEPRECATED_CPP_DIALECT
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# if _CCCL_STD_VER < 2017
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# error CUB requires at least C++17. Define CCCL_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.
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# endif // _CCCL_STD_VER < 2017
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# endif
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# undef CUB_COMP_DEPR_IMPL
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#endif // !_CCCL_DOXYGEN_INVOKED
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