cub/util_compiler.cuh
File members: cub/util_compiler.cuh
/******************************************************************************
* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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#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(_CCCL_COMPILER_MSVC)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_MSVC
# define CUB_MSVC_VERSION _CCCL_MSVC_VERSION
# define CUB_MSVC_VERSION_FULL _CCCL_MSVC_VERSION_FULL
#elif _CCCL_COMPILER(CLANG)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_CLANG
# define CUB_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#elif _CCCL_COMPILER(GCC)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_GCC
# define CUB_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
// figure out which device compiler we're using
#if defined(_CCCL_CUDA_COMPILER_NVCC) || defined(_CCCL_CUDA_COMPILER_NVHPC)
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_NVCC
#elif defined(_CCCL_COMPILER_MSVC)
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_MSVC
#elif _CCCL_COMPILER(GCC)
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_GCC
#elif _CCCL_COMPILER(CLANG)
// CUDA-capable clang should behave similar to NVCC.
# if defined(_CCCL_CUDA_COMPILER_NVCC)
# 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