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47 lines
1.7 KiB
CMake
47 lines
1.7 KiB
CMake
# Due to the complexity involved, this package doesn't install CUDA. It instead verifies that CUDA is installed.
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# Other packages can depend on this package to declare a dependency on CUDA.
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# If this package is installed, we assume that CUDA is properly installed.
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find_program(NVCC
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NAMES nvcc nvcc.exe
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PATHS
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ENV CUDA_PATH
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ENV CUDA_BIN_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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set(error_code 1)
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if (NVCC)
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execute_process(
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COMMAND ${NVCC} --version
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OUTPUT_VARIABLE NVCC_OUTPUT
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RESULT_VARIABLE error_code)
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endif()
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set(CUDA_REQUIRED_VERSION "V9.0.0")
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if (error_code)
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message(FATAL_ERROR "Could not find CUDA. Before continuing, please download and install CUDA (${CUDA_REQUIRED_VERSION} or higher) from:"
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"\n https://developer.nvidia.com/cuda-downloads\n"
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"\nAlso ensure vcpkg has been rebuilt with the latest version (v0.0.104 or later)")
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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_PATCH ${CMAKE_MATCH_3})
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if (CUDA_VERSION_MAJOR LESS 9)
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message(FATAL_ERROR "CUDA ${CUDA_VERSION} but ${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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SET(VCPKG_POLICY_EMPTY_PACKAGE enabled) |