| /****************************************************************************** | |
| * Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved. | |
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| * modification, are permitted provided that the following conditions are met: | |
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| * derived from this software without specific prior written permission. | |
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| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
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| * | |
| ******************************************************************************/ | |
| /** | |
| * \file | |
| * Detect compiler information. | |
| */ | |
| #pragma once | |
| // enumerate host compilers we know about | |
| #define CUB_HOST_COMPILER_UNKNOWN 0 | |
| #define CUB_HOST_COMPILER_MSVC 1 | |
| #define CUB_HOST_COMPILER_GCC 2 | |
| #define CUB_HOST_COMPILER_CLANG 3 | |
| // enumerate device compilers we know about | |
| #define CUB_DEVICE_COMPILER_UNKNOWN 0 | |
| #define CUB_DEVICE_COMPILER_MSVC 1 | |
| #define CUB_DEVICE_COMPILER_GCC 2 | |
| #define CUB_DEVICE_COMPILER_NVCC 3 | |
| #define CUB_DEVICE_COMPILER_CLANG 4 | |
| // figure out which host compiler we're using | |
| #if defined(_MSC_VER) | |
| # define CUB_HOST_COMPILER CUB_HOST_COMPILER_MSVC | |
| # define CUB_MSVC_VERSION _MSC_VER | |
| # define CUB_MSVC_VERSION_FULL _MSC_FULL_VER | |
| #elif defined(__clang__) | |
| # define CUB_HOST_COMPILER CUB_HOST_COMPILER_CLANG | |
| # define CUB_CLANG_VERSION \ | |
| (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) | |
| #elif defined(__GNUC__) | |
| # define CUB_HOST_COMPILER CUB_HOST_COMPILER_GCC | |
| # define CUB_GCC_VERSION \ | |
| (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) | |
| #else | |
| # define CUB_HOST_COMPILER CUB_HOST_COMPILER_UNKNOWN | |
| #endif // CUB_HOST_COMPILER | |
| // figure out which device compiler we're using | |
| #if defined(__CUDACC__) || defined(_NVHPC_CUDA) | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_NVCC | |
| #elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_MSVC | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_MSVC | |
| #elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_GCC | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_GCC | |
| #elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_CLANG | |
| // CUDA-capable clang should behave similar to NVCC. | |
| # if defined(__CUDA__) | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_NVCC | |
| # else | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_CLANG | |
| # endif | |
| #else | |
| # define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_UNKNOWN | |
| #endif | |