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diff --git a/Modules/Internal/CUDAToolkit.cmake b/Modules/Internal/CUDAToolkit.cmake
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-# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
-
-# This file is for sharing code for finding basic CUDA toolkit information between
-# CMakeDetermineCUDACompiler.cmake and FindCUDAToolkit.cmake.
-
-# For NVCC we can easily deduce the SDK binary directory from the compiler path.
-if(CMAKE_CUDA_COMPILER_LOADED AND NOT CUDAToolkit_BIN_DIR AND CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
- get_filename_component(cuda_dir "${CMAKE_CUDA_COMPILER}" DIRECTORY)
- set(CUDAToolkit_BIN_DIR "${cuda_dir}" CACHE PATH "")
- mark_as_advanced(CUDAToolkit_BIN_DIR)
- unset(cuda_dir)
-endif()
-
-# Try language- or user-provided path first.
-if(CUDAToolkit_BIN_DIR)
- find_program(CUDAToolkit_NVCC_EXECUTABLE
- NAMES nvcc nvcc.exe
- PATHS ${CUDAToolkit_BIN_DIR}
- NO_DEFAULT_PATH
- )
-endif()
-
-# Search using CUDAToolkit_ROOT
-find_program(CUDAToolkit_NVCC_EXECUTABLE
- NAMES nvcc nvcc.exe
- PATHS ENV CUDA_PATH
- PATH_SUFFIXES bin
-)
-
-# If the user specified CUDAToolkit_ROOT but nvcc could not be found, this is an error.
-if(NOT CUDAToolkit_NVCC_EXECUTABLE AND (DEFINED CUDAToolkit_ROOT OR DEFINED ENV{CUDAToolkit_ROOT}))
- # Declare error messages now, print later depending on find_package args.
- set(fail_base "Could not find nvcc executable in path specified by")
- set(cuda_root_fail "${fail_base} CUDAToolkit_ROOT=${CUDAToolkit_ROOT}")
- set(env_cuda_root_fail "${fail_base} environment variable CUDAToolkit_ROOT=$ENV{CUDAToolkit_ROOT}")
-
- if(CUDAToolkit_FIND_REQUIRED)
- if(DEFINED CUDAToolkit_ROOT)
- message(FATAL_ERROR ${cuda_root_fail})
- elseif(DEFINED ENV{CUDAToolkit_ROOT})
- message(FATAL_ERROR ${env_cuda_root_fail})
- endif()
- else()
- if(NOT CUDAToolkit_FIND_QUIETLY)
- if(DEFINED CUDAToolkit_ROOT)
- message(STATUS ${cuda_root_fail})
- elseif(DEFINED ENV{CUDAToolkit_ROOT})
- message(STATUS ${env_cuda_root_fail})
- endif()
- endif()
- set(CUDAToolkit_FOUND FALSE)
- unset(fail_base)
- unset(cuda_root_fail)
- unset(env_cuda_root_fail)
- return()
- endif()
-endif()
-
-# CUDAToolkit_ROOT cmake / env variable not specified, try platform defaults.
-#
-# - Linux: /usr/local/cuda-X.Y
-# - macOS: /Developer/NVIDIA/CUDA-X.Y
-# - Windows: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\vX.Y
-#
-# We will also search the default symlink location /usr/local/cuda first since
-# if CUDAToolkit_ROOT is not specified, it is assumed that the symlinked
-# directory is the desired location.
-if(NOT CUDAToolkit_NVCC_EXECUTABLE)
- if(UNIX)
- if(NOT APPLE)
- set(platform_base "/usr/local/cuda-")
- else()
- set(platform_base "/Developer/NVIDIA/CUDA-")
- endif()
- else()
- set(platform_base "C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v")
- endif()
-
- # Build out a descending list of possible cuda installations, e.g.
- file(GLOB possible_paths "${platform_base}*")
- # Iterate the glob results and create a descending list.
- set(possible_versions)
- foreach (p ${possible_paths})
- # Extract version number from end of string
- string(REGEX MATCH "[0-9][0-9]?\\.[0-9]$" p_version ${p})
- if(IS_DIRECTORY ${p} AND p_version)
- list(APPEND possible_versions ${p_version})
- endif()
- endforeach()
-
- # Cannot use list(SORT) because that is alphabetical, we need numerical.
- # NOTE: this is not an efficient sorting strategy. But even if a user had
- # every possible version of CUDA installed, this wouldn't create any
- # significant overhead.
- set(versions)
- foreach (v ${possible_versions})
- list(LENGTH versions num_versions)
- # First version, nothing to compare with so just append.
- if(num_versions EQUAL 0)
- list(APPEND versions ${v})
- else()
- # Loop through list. Insert at an index when comparison is
- # VERSION_GREATER since we want a descending list. Duplicates will not
- # happen since this came from a glob list of directories.
- set(i 0)
- set(early_terminate FALSE)
- while (i LESS num_versions)
- list(GET versions ${i} curr)
- if(v VERSION_GREATER curr)
- list(INSERT versions ${i} ${v})
- set(early_terminate TRUE)
- break()
- endif()
- math(EXPR i "${i} + 1")
- endwhile()
- # If it did not get inserted, place it at the end.
- if(NOT early_terminate)
- list(APPEND versions ${v})
- endif()
- endif()
- endforeach()
-
- # With a descending list of versions, populate possible paths to search.
- set(search_paths)
- foreach (v ${versions})
- list(APPEND search_paths "${platform_base}${v}")
- endforeach()
-
- # Force the global default /usr/local/cuda to the front on Unix.
- if(UNIX)
- list(INSERT search_paths 0 "/usr/local/cuda")
- endif()
-
- # Now search for nvcc again using the platform default search paths.
- find_program(CUDAToolkit_NVCC_EXECUTABLE
- NAMES nvcc nvcc.exe
- PATHS ${search_paths}
- PATH_SUFFIXES bin
- )
-
- # We are done with these variables now, cleanup for caller.
- unset(platform_base)
- unset(possible_paths)
- unset(possible_versions)
- unset(versions)
- unset(i)
- unset(early_terminate)
- unset(search_paths)
-
- if(NOT CUDAToolkit_NVCC_EXECUTABLE)
- if(CUDAToolkit_FIND_REQUIRED)
- message(FATAL_ERROR "Could not find nvcc, please set CUDAToolkit_ROOT.")
- elseif(NOT CUDAToolkit_FIND_QUIETLY)
- message(STATUS "Could not find nvcc, please set CUDAToolkit_ROOT.")
- endif()
-
- set(CUDAToolkit_FOUND FALSE)
- return()
- endif()
-endif()
-
-if(NOT CUDAToolkit_BIN_DIR AND CUDAToolkit_NVCC_EXECUTABLE)
- get_filename_component(cuda_dir "${CUDAToolkit_NVCC_EXECUTABLE}" DIRECTORY)
- set(CUDAToolkit_BIN_DIR "${cuda_dir}" CACHE PATH "" FORCE)
- mark_as_advanced(CUDAToolkit_BIN_DIR)
- unset(cuda_dir)
-endif()
-
-get_filename_component(CUDAToolkit_ROOT_DIR ${CUDAToolkit_BIN_DIR} DIRECTORY ABSOLUTE)
-
-# Handle cross compilation
-if(CMAKE_CROSSCOMPILING)
- if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7-a")
- # Support for NVPACK
- set(CUDAToolkit_TARGET_NAME "armv7-linux-androideabi")
- elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm")
- # Support for arm cross compilation
- set(CUDAToolkit_TARGET_NAME "armv7-linux-gnueabihf")
- elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
- # Support for aarch64 cross compilation
- if(ANDROID_ARCH_NAME STREQUAL "arm64")
- set(CUDAToolkit_TARGET_NAME "aarch64-linux-androideabi")
- else()
- set(CUDAToolkit_TARGET_NAME "aarch64-linux")
- endif(ANDROID_ARCH_NAME STREQUAL "arm64")
- elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
- set(CUDAToolkit_TARGET_NAME "x86_64-linux")
- endif()
-
- if(EXISTS "${CUDAToolkit_ROOT_DIR}/targets/${CUDAToolkit_TARGET_NAME}")
- set(CUDAToolkit_TARGET_DIR "${CUDAToolkit_ROOT_DIR}/targets/${CUDAToolkit_TARGET_NAME}")
- # add known CUDA target root path to the set of directories we search for programs, libraries and headers
- list(PREPEND CMAKE_FIND_ROOT_PATH "${CUDAToolkit_TARGET_DIR}")
-
- # Mark that we need to pop the root search path changes after we have
- # found all cuda libraries so that searches for our cross-compilation
- # libraries work when another cuda sdk is in CMAKE_PREFIX_PATH or
- # PATh
- set(_CUDAToolkit_Pop_ROOT_PATH True)
- endif()
-else()
- # Not cross compiling
- set(CUDAToolkit_TARGET_DIR "${CUDAToolkit_ROOT_DIR}")
- # Now that we have the real ROOT_DIR, find components inside it.
- list(APPEND CMAKE_PREFIX_PATH ${CUDAToolkit_ROOT_DIR})
-
- # Mark that we need to pop the prefix path changes after we have
- # found the cudart library.
- set(_CUDAToolkit_Pop_Prefix True)
-endif()
-
-# Find the include/ directory
-find_path(CUDAToolkit_INCLUDE_DIR
- NAMES cuda_runtime.h
-)
-
-# Find a tentative CUDAToolkit_LIBRARY_DIR. FindCUDAToolkit overrides it by searching for the CUDA runtime,
-# but we can't do that here, as CMakeDetermineCUDACompiler wants to use it before the variables necessary
-# for find_library() have been initialized.
-if(EXISTS "${CUDAToolkit_TARGET_DIR}/lib64")
- set(CUDAToolkit_LIBRARY_DIR "${CUDAToolkit_TARGET_DIR}/lib64")
-elseif(EXISTS "${CUDAToolkit_TARGET_DIR}/lib/x64")
- set(CUDAToolkit_LIBRARY_DIR "${CUDAToolkit_TARGET_DIR}/lib/x64")
-elseif(EXISTS "${CUDAToolkit_TARGET_DIR}/lib")
- set(CUDAToolkit_LIBRARY_DIR "${CUDAToolkit_TARGET_DIR}/lib")
-endif()