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| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
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| * derived from this software without specific prior written permission. |
| * |
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| ******************************************************************************/ |
| |
| /** |
| * \file |
| * Detect compiler information. |
| */ |
| |
| #pragma once |
| |
| // For _CCCL_IMPLICIT_SYSTEM_HEADER |
| #include <cuda/__cccl_config> |
| |
| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) |
| # pragma GCC system_header |
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) |
| # pragma clang system_header |
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) |
| # pragma system_header |
| #endif // no system header |
| |
| // 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 |
| |
