/****************************************************************************** * Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the NVIDIA CORPORATION nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" *AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ******************************************************************************/ /*! \file * \brief Detect the version of the C++ standard used by the compiler. */ #pragma once #include "util_compiler.cuh" // Deprecation warnings may be silenced by defining the following macros. These // may be combined. // - CUB_IGNORE_DEPRECATED_CPP_DIALECT: // Ignore all deprecated C++ dialects and outdated compilers. // - CUB_IGNORE_DEPRECATED_CPP_11: // Ignore deprecation warnings when compiling with C++11. C++03 and outdated // compilers will still issue warnings. // - CUB_IGNORE_DEPRECATED_COMPILER // Ignore deprecation warnings when using deprecated compilers. Compiling // with C++03 and C++11 will still issue warnings. // Check for the thrust opt-outs as well: #if !defined(CUB_IGNORE_DEPRECATED_CPP_DIALECT) && \ defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT) # define CUB_IGNORE_DEPRECATED_CPP_DIALECT #endif #if !defined(CUB_IGNORE_DEPRECATED_CPP_11) && \ defined(THRUST_IGNORE_DEPRECATED_CPP_11) # define CUB_IGNORE_DEPRECATED_CPP_11 #endif #if !defined(CUB_IGNORE_DEPRECATED_COMPILER) && \ defined(THRUST_IGNORE_DEPRECATED_COMPILER) # define CUB_IGNORE_DEPRECATED_COMPILER #endif #ifdef CUB_IGNORE_DEPRECATED_CPP_DIALECT # define CUB_IGNORE_DEPRECATED_CPP_11 # define CUB_IGNORE_DEPRECATED_COMPILER #endif // Define this to override the built-in detection. #ifndef CUB_CPP_DIALECT // MSVC does not define __cplusplus correctly. _MSVC_LANG is used instead. // This macro is only defined in MSVC 2015U3+. # ifdef _MSVC_LANG // Do not replace with CUB_HOST_COMPILER test (see above) // MSVC2015 reports C++14 but lacks extended constexpr support. Treat as C++11. # if CUB_MSVC_VERSION < 1910 && _MSVC_LANG > 201103L /* MSVC < 2017 && CPP > 2011 */ # define CUB_CPLUSPLUS 201103L /* Fix to 2011 */ # else # define CUB_CPLUSPLUS _MSVC_LANG /* We'll trust this for now. */ # endif // MSVC 2015 C++14 fix # else # define CUB_CPLUSPLUS __cplusplus # endif // Detect current dialect: # if CUB_CPLUSPLUS < 201103L # define CUB_CPP_DIALECT 2003 # elif CUB_CPLUSPLUS < 201402L # define CUB_CPP_DIALECT 2011 # elif CUB_CPLUSPLUS < 201703L # define CUB_CPP_DIALECT 2014 # elif CUB_CPLUSPLUS == 201703L # define CUB_CPP_DIALECT 2017 # elif CUB_CPLUSPLUS > 201703L // unknown, but is higher than 2017. # define CUB_CPP_DIALECT 2020 # endif # undef CUB_CPLUSPLUS // cleanup #endif // !CUB_CPP_DIALECT // Define CUB_COMPILER_DEPRECATION macro: #if CUB_HOST_COMPILER == CUB_HOST_COMPILER_MSVC # define CUB_COMP_DEPR_IMPL(msg) \ __pragma(message(__FILE__ ":" CUB_COMP_DEPR_IMPL0(__LINE__) ": warning: " #msg)) # define CUB_COMP_DEPR_IMPL0(x) CUB_COMP_DEPR_IMPL1(x) # define CUB_COMP_DEPR_IMPL1(x) #x #else // clang / gcc: # define CUB_COMP_DEPR_IMPL(msg) CUB_COMP_DEPR_IMPL0(GCC warning #msg) # define CUB_COMP_DEPR_IMPL0(expr) _Pragma(#expr) # define CUB_COMP_DEPR_IMPL1 /* intentionally blank */ #endif #define CUB_COMPILER_DEPRECATION(REQ) \ CUB_COMP_DEPR_IMPL(CUB requires at least REQ. Define CUB_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.) #define CUB_COMPILER_DEPRECATION_SOFT(REQ, CUR) \ CUB_COMP_DEPR_IMPL(CUB requires at least REQ. CUR is deprecated but still supported. CUR support will be removed in a future release. Define CUB_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.) #ifndef CUB_IGNORE_DEPRECATED_COMPILER // Compiler checks: # if CUB_HOST_COMPILER == CUB_HOST_COMPILER_GCC && CUB_GCC_VERSION < 50000 CUB_COMPILER_DEPRECATION(GCC 5.0); # elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_CLANG && CUB_CLANG_VERSION < 70000 CUB_COMPILER_DEPRECATION(Clang 7.0); # elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_MSVC && CUB_MSVC_VERSION < 1910 // <2017. Hard upgrade message: CUB_COMPILER_DEPRECATION(MSVC 2019 (19.20/16.0/14.20)); # elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_MSVC && CUB_MSVC_VERSION < 1920 // >=2017, <2019. Soft deprecation message: CUB_COMPILER_DEPRECATION_SOFT(MSVC 2019 (19.20/16.0/14.20), MSVC 2017); # endif #endif // CUB_IGNORE_DEPRECATED_COMPILER #ifndef CUB_IGNORE_DEPRECATED_DIALECT // Dialect checks: # if CUB_CPP_DIALECT < 2011 //