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e3fee6ed40
* [cudnn] auto-download only if cuda version matches * [cudnn] auto download also for cuda 10.2 * [cudnn] update version ref * Update ports/cuda/vcpkg_find_cuda.cmake Co-authored-by: Robert Schumacher <roschuma@microsoft.com> * Update ports/cuda/vcpkg_find_cuda.cmake Co-authored-by: Robert Schumacher <roschuma@microsoft.com> * Update ports/cudnn/portfile.cmake Co-authored-by: Robert Schumacher <roschuma@microsoft.com> * apply review fixes * fix baseline refs Co-authored-by: Robert Schumacher <roschuma@microsoft.com>
94 lines
3.4 KiB
CMake
94 lines
3.4 KiB
CMake
function(vcpkg_find_cuda)
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cmake_parse_arguments(PARSE_ARGV 0 vfc "" "OUT_CUDA_TOOLKIT_ROOT;OUT_CUDA_VERSION" "")
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if(NOT vfc_OUT_CUDA_TOOLKIT_ROOT)
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message(FATAL_ERROR "vcpkg_find_cuda() requres an OUT_CUDA_TOOLKIT_ROOT argument")
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endif()
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set(CUDA_REQUIRED_VERSION "10.1.0")
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set(CUDA_PATHS
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ENV CUDA_PATH
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ENV CUDA_HOME
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ENV CUDA_BIN_PATH
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ENV CUDA_TOOLKIT_ROOT_DIR)
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if (VCPKG_TARGET_IS_WINDOWS)
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find_program(NVCC
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NAMES nvcc.exe
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PATHS
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${CUDA_PATHS}
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PATH_SUFFIXES bin bin64
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DOC "Toolkit location."
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NO_DEFAULT_PATH
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)
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else()
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if (VCPKG_TARGET_IS_LINUX)
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set(platform_base "/usr/local/cuda-")
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else()
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set(platform_base "/Developer/NVIDIA/CUDA-")
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endif()
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file(GLOB possible_paths "${platform_base}*")
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set(FOUND_PATH )
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foreach (p ${possible_paths})
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# Extract version number from end of string
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string(REGEX MATCH "[0-9][0-9]?\\.[0-9]$" p_version ${p})
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if (IS_DIRECTORY ${p} AND p_version)
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if (p_version VERSION_GREATER_EQUAL CUDA_REQUIRED_VERSION)
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set(FOUND_PATH ${p})
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break()
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endif()
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endif()
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endforeach()
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find_program(NVCC
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NAMES nvcc
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PATHS
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${CUDA_PATHS}
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PATHS ${FOUND_PATH}
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PATH_SUFFIXES bin bin64
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DOC "Toolkit location."
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NO_DEFAULT_PATH
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)
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endif()
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set(error_code 1)
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if (NVCC)
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execute_process(
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COMMAND ${NVCC} --version
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OUTPUT_VARIABLE NVCC_OUTPUT
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RESULT_VARIABLE error_code)
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endif()
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if (error_code)
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message(STATUS "Executing ${NVCC} --version resulted in error: ${error_code}")
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message(FATAL_ERROR "Could not find CUDA. Before continuing, please download and install CUDA (v${CUDA_REQUIRED_VERSION} or higher) from:"
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"\n https://developer.nvidia.com/cuda-downloads\n")
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endif()
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# Sample output:
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# NVIDIA (R) Cuda compiler driver
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# Copyright (c) 2005-2016 NVIDIA Corporation
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# Built on Sat_Sep__3_19:05:48_CDT_2016
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# Cuda compilation tools, release 8.0, V8.0.44
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string(REGEX MATCH "V([0-9]+)\\.([0-9]+)\\.([0-9]+)" CUDA_VERSION ${NVCC_OUTPUT})
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message(STATUS "Found CUDA ${CUDA_VERSION}")
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set(CUDA_VERSION_MAJOR "${CMAKE_MATCH_1}")
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set(CUDA_VERSION_MINOR "${CMAKE_MATCH_2}")
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set(CUDA_VERSION_MAJOR_MINOR "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}")
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if (CUDA_VERSION_MAJOR_MINOR VERSION_LESS CUDA_REQUIRED_VERSION)
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message(FATAL_ERROR "CUDA v${CUDA_VERSION_MAJOR_MINOR} found, but v${CUDA_REQUIRED_VERSION} is required. Please download and install a more recent version of CUDA from:"
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"\n https://developer.nvidia.com/cuda-downloads\n")
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endif()
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get_filename_component(CUDA_TOOLKIT_ROOT "${NVCC}" DIRECTORY)
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get_filename_component(CUDA_TOOLKIT_ROOT "${CUDA_TOOLKIT_ROOT}" DIRECTORY)
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set(${vfc_OUT_CUDA_TOOLKIT_ROOT} "${CUDA_TOOLKIT_ROOT}" PARENT_SCOPE)
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if(DEFINED vfc_OUT_CUDA_VERSION)
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set(${vfc_OUT_CUDA_VERSION} "${CUDA_VERSION_MAJOR_MINOR}" PARENT_SCOPE)
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endif()
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endfunction()
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