mirror of
https://github.com/opencv/opencv.git
synced 2024-11-24 03:00:14 +08:00
443 lines
20 KiB
CMake
443 lines
20 KiB
CMake
macro(ocv_check_for_nvidia_video_codec_sdk cuda_toolkit_dirs)
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macro(ocv_cuda_SEARCH_NVCUVID_HEADER _filename _result)
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# place header file under CUDAToolkit_LIBRARY_ROOT
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find_path(_header_result
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${_filename}
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PATHS ${cuda_toolkit_dirs}
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PATH_SUFFIXES include
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NO_DEFAULT_PATH
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)
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if("x${_header_result}" STREQUAL "x_header_result-NOTFOUND")
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set(${_result} 0)
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else()
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set(${_result} 1)
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endif()
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unset(_header_result CACHE)
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endmacro()
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if(WITH_NVCUVID)
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ocv_cuda_SEARCH_NVCUVID_HEADER("nvcuvid.h" HAVE_NVCUVID_HEADER)
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# make sure to have both header and library before enabling
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if(${HAVE_NVCUVID_HEADER})
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find_cuda_helper_libs(nvcuvid)
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if(CUDA_nvcuvid_LIBRARY)
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set(HAVE_NVCUVID 1)
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message(STATUS "Found NVCUVID: ${CUDA_nvcuvid_LIBRARY}")
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else()
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if(WIN32)
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message(STATUS "NVCUVID: Library not found, WITH_NVCUVID requires Nvidia decoding library nvcuvid.lib to either be inside ${cuda_toolkit_dirs}/lib or its location manually set with CUDA_nvcuvid_LIBRARY, i.e. CUDA_nvcuvid_LIBRARY=${cuda_toolkit_dirs}/lib/nvcuvid.lib")
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else()
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message(STATUS "NVCUVID: Library not found, WITH_NVCUVID requires the Nvidia decoding shared library nvcuvid.so from the driver installation or the location of the stub library to be manually set with CUDA_nvcuvid_LIBRARY i.e. CUDA_nvcuvid_LIBRARY=/home/user/Video_Codec_SDK_X.X.X/Lib/linux/stubs/x86_64/nvcuvid.so")
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endif()
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endif()
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else()
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message(STATUS "NVCUVID: Header not found, WITH_NVCUVID requires Nvidia decoding library header ${cuda_toolkit_dirs}/include/nvcuvid.h")
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endif()
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endif()
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if(WITH_NVCUVENC)
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ocv_cuda_SEARCH_NVCUVID_HEADER("nvEncodeAPI.h" HAVE_NVCUVENC_HEADER)
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if(${HAVE_NVCUVENC_HEADER})
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if(WIN32)
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find_cuda_helper_libs(nvencodeapi)
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else()
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find_cuda_helper_libs(nvidia-encode)
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endif()
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if(CUDA_nvencodeapi_LIBRARY OR CUDA_nvidia-encode_LIBRARY)
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set(HAVE_NVCUVENC 1)
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message(STATUS "Found NVCUVENC: ${CUDA_nvencodeapi_LIBRARY} ${CUDA_nvidia-encode_LIBRARY}")
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else()
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if(WIN32)
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message(STATUS "NVCUVENC: Library not found, WITH_NVCUVENC requires Nvidia encoding library nvencodeapi.lib to either be inside ${cuda_toolkit_dirs}/lib or its location manually set with CUDA_nvencodeapi_LIBRARY, i.e. CUDA_nvencodeapi_LIBRARY=${cuda_toolkit_dirs}/lib/nvencodeapi.lib")
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else()
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message(STATUS "NVCUVENC: Library not found, WITH_NVCUVENC requires the Nvidia encoding shared library libnvidia-encode.so from the driver installation or the location of the stub library to be manually set with CUDA_nvidia-encode_LIBRARY i.e. CUDA_nvidia-encode_LIBRARY=/home/user/Video_Codec_SDK_X.X.X/Lib/linux/stubs/x86_64/libnvidia-encode.so")
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endif()
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endif()
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else()
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message(STATUS "NVCUVENC: Header not found, WITH_NVCUVENC requires Nvidia encoding library header ${cuda_toolkit_dirs}/include/nvEncodeAPI.h")
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endif()
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endif()
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endmacro()
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# Use CMAKE_CUDA_ARCHITECTURES if provided: order of preference CMAKE_CUDA_ARCHITECTURES > CUDA_GENERATION > CUDA_ARCH_BIN and/or CUDA_ARCH_PTX
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function(ocv_check_for_cmake_cuda_architectures)
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if(NOT CMAKE_CUDA_ARCHITECTURES)
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return()
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endif()
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if(CMAKE_CUDA_ARCHITECTURES STREQUAL "all" OR CMAKE_CUDA_ARCHITECTURES STREQUAL "all-major" OR CMAKE_CUDA_ARCHITECTURES STREQUAL "native")
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message(WARNING "CUDA: CMAKE_CUDA_ARCHITECTURES=${CMAKE_CUDA_ARCHITECTURES}, special values all, all-major and native are not supported by OpenCV, specify only CUDA real and/or virtual architectures or use combinations of CUDA_ARCH_BIN and CUDA_ARCH_PTX or specify the CUDA_GENERATION where -DCUDA_GENERATION=Auto is equivalent to native!")
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return()
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endif()
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set(internal_ptx "")
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set(internal_bin "")
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foreach(ARCH IN LISTS CMAKE_CUDA_ARCHITECTURES)
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if(ARCH MATCHES "([0-9]+)\-real")
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set(internal_bin ${internal_bin} ${CMAKE_MATCH_1};)
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elseif(ARCH MATCHES "([0-9]+)\-virtual")
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set(internal_ptx ${internal_ptx} ${CMAKE_MATCH_1};)
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elseif(ARCH MATCHES "([0-9]+)")
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set(internal_bin ${internal_bin} ${CMAKE_MATCH_1};)
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set(internal_ptx ${internal_ptx} ${CMAKE_MATCH_1};)
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endif()
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endforeach()
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if(internal_bin OR internal_ptx)
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unset(CUDA_ARCH_BIN CACHE)
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unset(CUDA_ARCH_PTX CACHE)
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endif()
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if(internal_ptx)
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set(CUDA_ARCH_PTX ${internal_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)")
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endif()
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if(internal_bin)
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set(CUDA_ARCH_BIN ${internal_bin} CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)")
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endif()
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set(CMAKE_CUDA_ARCHITECTURES "" PARENT)
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unset(CUDA_GENERATION CACHE)
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endfunction()
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macro(ocv_initialize_nvidia_device_generations)
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OCV_OPTION(CUDA_ENABLE_DEPRECATED_GENERATION "Enable deprecated generations in the list" OFF)
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set(_generations "Maxwell" "Pascal" "Volta" "Turing" "Ampere" "Lovelace" "Hopper")
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if(CUDA_ENABLE_DEPRECATED_GENERATION)
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set(_generations "Fermi" "${_generations}")
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set(_generations "Kepler" "${_generations}")
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endif()
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set(_arch_fermi "2.0")
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set(_arch_kepler "3.0;3.5;3.7")
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set(_arch_maxwell "5.0;5.2")
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set(_arch_pascal "6.0;6.1")
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set(_arch_volta "7.0")
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set(_arch_turing "7.5")
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set(_arch_ampere "8.0;8.6")
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set(_arch_lovelace "8.9")
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set(_arch_hopper "9.0")
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if(NOT CMAKE_CROSSCOMPILING)
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list(APPEND _generations "Auto")
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endif()
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set(CUDA_GENERATION "" CACHE STRING "Build CUDA device code only for specific GPU architecture. Leave empty to build for all architectures (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html).")
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if( CMAKE_VERSION VERSION_GREATER "2.8" )
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set_property( CACHE CUDA_GENERATION PROPERTY STRINGS "" ${_generations} )
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endif()
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if(CUDA_GENERATION)
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if(NOT ";${_generations};" MATCHES ";${CUDA_GENERATION};")
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string(REPLACE ";" ", " _generations "${_generations}")
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message(FATAL_ERROR "ERROR: ${_generations} Generations are supported.")
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endif()
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unset(CUDA_ARCH_BIN CACHE)
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unset(CUDA_ARCH_PTX CACHE)
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endif()
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endmacro()
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macro(ocv_set_cuda_detection_nvcc_flags cuda_host_compiler_var)
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if(OPENCV_CUDA_DETECTION_NVCC_FLAGS MATCHES "-ccbin")
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# already specified by user
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elseif(${cuda_host_compiler_var} AND EXISTS "${${cuda_host_compiler_var}}")
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get_filename_component(c_compiler_realpath "${CMAKE_C_COMPILER}" REALPATH)
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# C compiler doesn't work with --run option, forcing C++ compiler instead
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if(${cuda_host_compiler_var} STREQUAL c_compiler_realpath OR ${cuda_host_compiler_var} STREQUAL CMAKE_C_COMPILER)
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if(DEFINED CMAKE_CXX_COMPILER)
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get_filename_component(cxx_compiler_realpath "${CMAKE_CXX_COMPILER}" REALPATH)
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${cxx_compiler_realpath}")
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else()
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message(STATUS "CUDA: CMAKE_CXX_COMPILER is not available. You may need to specify ${cuda_host_compiler_var}.")
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endif()
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else()
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${${cuda_host_compiler_var}}")
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endif()
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elseif(WIN32 AND CMAKE_LINKER) # Workaround for VS cl.exe not being in the env. path
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get_filename_component(host_compiler_bindir ${CMAKE_LINKER} DIRECTORY)
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LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${host_compiler_bindir}")
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else()
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if(${cuda_host_compiler_var})
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message(STATUS "CUDA: ${cuda_host_compiler_var}='${cuda_host_compiler}' is not valid, autodetection may not work. Specify OPENCV_CUDA_DETECTION_NVCC_FLAGS with -ccbin option for fix that")
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endif()
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endif()
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endmacro()
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macro(ocv_filter_available_architecture nvcc_executable result_list)
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set(__cache_key_check "${ARGN} : ${nvcc_executable} ${OPENCV_CUDA_DETECTION_NVCC_FLAGS}")
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if(DEFINED OPENCV_CACHE_CUDA_SUPPORTED_CC AND OPENCV_CACHE_CUDA_SUPPORTED_CC_check STREQUAL __cache_key_check)
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set(${result_list} "${OPENCV_CACHE_CUDA_SUPPORTED_CC}")
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else()
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set(CC_LIST ${ARGN})
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foreach(target_arch ${CC_LIST})
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string(REPLACE "." "" target_arch_short "${target_arch}")
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set(NVCC_OPTION "-gencode;arch=compute_${target_arch_short},code=sm_${target_arch_short}")
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set(_cmd "${nvcc_executable}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} ${NVCC_OPTION} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" --compile)
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execute_process(
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COMMAND ${_cmd}
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
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RESULT_VARIABLE _nvcc_res
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OUTPUT_VARIABLE _nvcc_out
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ERROR_VARIABLE _nvcc_err
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#ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(OPENCV_CMAKE_CUDA_DEBUG)
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message(WARNING "COMMAND: ${_cmd}")
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message(STATUS "Result: ${_nvcc_res}")
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message(STATUS "Out: ${_nvcc_out}")
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message(STATUS "Err: ${_nvcc_err}")
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endif()
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if(_nvcc_res EQUAL 0)
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LIST(APPEND ${result_list} "${target_arch}")
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endif()
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endforeach()
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string(STRIP "${${result_list}}" ${result_list})
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if(" ${${result_list}}" STREQUAL " ")
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message(WARNING "CUDA: Autodetection arch list is empty. Please enable OPENCV_CMAKE_CUDA_DEBUG=1 and check/specify OPENCV_CUDA_DETECTION_NVCC_FLAGS variable")
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endif()
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# cache detected values
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set(OPENCV_CACHE_CUDA_SUPPORTED_CC ${${result_list}} CACHE INTERNAL "")
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set(OPENCV_CACHE_CUDA_SUPPORTED_CC_check "${__cache_key_check}" CACHE INTERNAL "")
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endif()
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endmacro()
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macro(ocv_detect_native_cuda_arch nvcc_executable status output)
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set(OPENCV_CUDA_DETECT_ARCHS_COMMAND "${nvcc_executable}" ${OPENCV_CUDA_DETECTION_NVCC_FLAGS} "${OpenCV_SOURCE_DIR}/cmake/checks/OpenCVDetectCudaArch.cu" "--run")
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set(__cache_key_check "${OPENCV_CUDA_DETECT_ARCHS_COMMAND}")
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if(DEFINED OPENCV_CACHE_CUDA_ACTIVE_CC AND OPENCV_CACHE_CUDA_ACTIVE_CC_check STREQUAL __cache_key_check)
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set(${output} "${OPENCV_CACHE_CUDA_ACTIVE_CC}")
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set(${status} 0)
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else()
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execute_process(
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COMMAND ${OPENCV_CUDA_DETECT_ARCHS_COMMAND}
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
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RESULT_VARIABLE ${status}
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OUTPUT_VARIABLE _nvcc_out
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ERROR_VARIABLE _nvcc_err
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(OPENCV_CMAKE_CUDA_DEBUG)
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message(WARNING "COMMAND: ${OPENCV_CUDA_DETECT_ARCHS_COMMAND}")
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message(STATUS "Result: ${${status}}")
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message(STATUS "Out: ${_nvcc_out}")
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message(STATUS "Err: ${_nvcc_err}")
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endif()
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string(REGEX REPLACE ".*\n" "" ${output} "${_nvcc_out}") #Strip leading warning messages, if any
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if(${status} EQUAL 0)
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# cache detected values
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set(OPENCV_CACHE_CUDA_ACTIVE_CC ${${output}} CACHE INTERNAL "")
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set(OPENCV_CACHE_CUDA_ACTIVE_CC_check "${__cache_key_check}" CACHE INTERNAL "")
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endif()
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endif()
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endmacro()
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macro(ocv_set_cuda_arch_bin_and_ptx nvcc_executable)
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ocv_initialize_nvidia_device_generations()
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set(__cuda_arch_ptx ${CUDA_ARCH_PTX})
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if(CUDA_GENERATION STREQUAL "Fermi")
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set(__cuda_arch_bin ${_arch_fermi})
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elseif(CUDA_GENERATION STREQUAL "Kepler")
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set(__cuda_arch_bin ${_arch_kepler})
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elseif(CUDA_GENERATION STREQUAL "Maxwell")
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set(__cuda_arch_bin ${_arch_maxwell})
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elseif(CUDA_GENERATION STREQUAL "Pascal")
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set(__cuda_arch_bin ${_arch_pascal})
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elseif(CUDA_GENERATION STREQUAL "Volta")
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set(__cuda_arch_bin ${_arch_volta})
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elseif(CUDA_GENERATION STREQUAL "Turing")
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set(__cuda_arch_bin ${_arch_turing})
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elseif(CUDA_GENERATION STREQUAL "Ampere")
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set(__cuda_arch_bin ${_arch_ampere})
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elseif(CUDA_GENERATION STREQUAL "Lovelace")
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set(__cuda_arch_bin ${_arch_lovelace})
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elseif(CUDA_GENERATION STREQUAL "Hopper")
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set(__cuda_arch_bin ${_arch_hopper})
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elseif(CUDA_GENERATION STREQUAL "Auto")
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ocv_detect_native_cuda_arch(${nvcc_executable} _nvcc_res _nvcc_out)
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if(NOT _nvcc_res EQUAL 0)
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message(STATUS "CUDA: Automatic detection of CUDA generation failed. Going to build for all known architectures")
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else()
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string(REGEX MATCHALL "[0-9]+\\.[0-9]" __cuda_arch_bin "${_nvcc_out}")
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endif()
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elseif(CUDA_ARCH_BIN)
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message(STATUS "CUDA: Using CUDA_ARCH_BIN=${CUDA_ARCH_BIN}")
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set(__cuda_arch_bin ${CUDA_ARCH_BIN})
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endif()
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if(NOT DEFINED __cuda_arch_bin AND NOT DEFINED __cuda_arch_ptx)
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if(ARM)
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set(__cuda_arch_bin "3.2")
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set(__cuda_arch_ptx "")
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elseif(AARCH64)
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if(NOT CMAKE_CROSSCOMPILING)
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ocv_detect_native_cuda_arch(${nvcc_executable} _nvcc_res _nvcc_out)
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else()
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set(_nvcc_res -1) # emulate error, see below
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endif()
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if(NOT _nvcc_res EQUAL 0)
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message(STATUS "CUDA: Automatic detection of CUDA generation failed. Going to build for all known architectures")
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# TX1 (5.3) TX2 (6.2) Xavier (7.2) V100 (7.0) Orin (8.7)
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ocv_filter_available_architecture(${nvcc_executable} __cuda_arch_bin
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5.3
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6.2
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7.2
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7.0
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8.7
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)
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else()
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set(__cuda_arch_bin "${_nvcc_out}")
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endif()
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set(__cuda_arch_ptx "")
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else()
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ocv_filter_available_architecture(${nvcc_executable} __cuda_arch_bin
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${_arch_fermi}
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${_arch_kepler}
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${_arch_maxwell}
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${_arch_pascal}
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${_arch_volta}
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${_arch_turing}
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${_arch_ampere}
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${_arch_lovelace}
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${_arch_hopper}
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)
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list(GET __cuda_arch_bin -1 __cuda_arch_ptx)
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endif()
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endif()
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set(CUDA_ARCH_BIN ${__cuda_arch_bin} CACHE STRING "Specify 'real' GPU architectures to build binaries for, BIN(PTX) format is supported (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)")
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set(CUDA_ARCH_PTX ${__cuda_arch_ptx} CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for (see https://docs.opencv.org/4.x/d2/dbc/cuda_intro.html)")
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string(REGEX REPLACE "\\." "" ARCH_BIN_NO_POINTS "${CUDA_ARCH_BIN}")
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string(REGEX REPLACE "\\." "" ARCH_PTX_NO_POINTS "${CUDA_ARCH_PTX}")
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# Check if user specified 1.0/2.1 compute capability: we don't support it
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macro(ocv_wipeout_deprecated_cc target_cc)
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if(" ${CUDA_ARCH_BIN} ${CUDA_ARCH_PTX}" MATCHES " ${target_cc}")
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message(SEND_ERROR "CUDA: ${target_cc} compute capability is not supported - exclude it from ARCH/PTX list and re-run CMake")
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endif()
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endmacro()
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ocv_wipeout_deprecated_cc("1.0")
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ocv_wipeout_deprecated_cc("2.1")
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endmacro()
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macro(ocv_set_nvcc_threads_for_vs)
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# Tell NVCC the maximum number of threads to be used to execute the compilation steps in parallel
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# (option --threads was introduced in version 11.2)
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if(NOT CUDA_VERSION VERSION_LESS "11.2")
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if(CMAKE_GENERATOR MATCHES "Visual Studio" AND NOT $ENV{CMAKE_BUILD_PARALLEL_LEVEL} STREQUAL "")
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set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "--threads=$ENV{CMAKE_BUILD_PARALLEL_LEVEL}")
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endif()
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endif()
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endmacro()
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macro(ocv_cuda_filter_options)
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foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
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set(${var}_backup_in_cuda_compile_ "${${var}}")
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if (CV_CLANG)
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# we remove -Winconsistent-missing-override and -Qunused-arguments
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# just in case we are compiling CUDA with gcc but OpenCV with clang
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string(REPLACE "-Winconsistent-missing-override" "" ${var} "${${var}}")
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string(REPLACE "-Qunused-arguments" "" ${var} "${${var}}")
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endif()
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# we remove /EHa as it generates warnings under windows
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string(REPLACE "/EHa" "" ${var} "${${var}}")
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# we remove -ggdb3 flag as it leads to preprocessor errors when compiling CUDA files (CUDA 4.1)
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string(REPLACE "-ggdb3" "" ${var} "${${var}}")
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# we remove -Wsign-promo as it generates warnings under linux
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string(REPLACE "-Wsign-promo" "" ${var} "${${var}}")
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# we remove -Wno-sign-promo as it generates warnings under linux
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string(REPLACE "-Wno-sign-promo" "" ${var} "${${var}}")
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# we remove -Wno-delete-non-virtual-dtor because it's used for C++ compiler
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# but NVCC uses C compiler by default
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string(REPLACE "-Wno-delete-non-virtual-dtor" "" ${var} "${${var}}")
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# we remove -frtti because it's used for C++ compiler
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# but NVCC uses C compiler by default
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string(REPLACE "-frtti" "" ${var} "${${var}}")
|
|
|
|
string(REPLACE "-fvisibility-inlines-hidden" "" ${var} "${${var}}")
|
|
|
|
# cc1: warning: command line option '-Wsuggest-override' is valid for C++/ObjC++ but not for C
|
|
string(REPLACE "-Wsuggest-override" "" ${var} "${${var}}")
|
|
|
|
# issue: #11552 (from OpenCVCompilerOptions.cmake)
|
|
string(REGEX REPLACE "-Wimplicit-fallthrough(=[0-9]+)? " "" ${var} "${${var}}")
|
|
|
|
# removal of custom specified options
|
|
if(OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS)
|
|
foreach(__flag ${OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS})
|
|
string(REPLACE "${__flag}" "" ${var} "${${var}}")
|
|
endforeach()
|
|
endif()
|
|
endforeach()
|
|
endmacro()
|
|
|
|
macro(ocv_nvcc_flags)
|
|
if(BUILD_SHARED_LIBS)
|
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler=-DCVAPI_EXPORTS)
|
|
endif()
|
|
|
|
if(UNIX OR APPLE)
|
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler=-fPIC)
|
|
endif()
|
|
if(APPLE)
|
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler=-fno-finite-math-only)
|
|
endif()
|
|
|
|
if(WIN32 AND NOT (CUDA_VERSION VERSION_LESS "11.2"))
|
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcudafe --display_error_number --diag-suppress 1394,1388)
|
|
endif()
|
|
|
|
if(CMAKE_CROSSCOMPILING AND (ARM OR AARCH64))
|
|
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xlinker --unresolved-symbols=ignore-in-shared-libs)
|
|
endif()
|
|
|
|
# disabled because of multiple warnings during building nvcc auto generated files
|
|
if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.6.0")
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable)
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(ocv_apply_cuda_stub_workaround cuda_driver_library_path)
|
|
# details: https://github.com/NVIDIA/nvidia-docker/issues/775
|
|
if(" ${cuda_driver_library_path}" MATCHES "/stubs/libcuda.so" AND NOT OPENCV_SKIP_CUDA_STUB_WORKAROUND)
|
|
set(CUDA_STUB_ENABLED_LINK_WORKAROUND 1)
|
|
if(EXISTS "${cuda_driver_library_path}" AND NOT OPENCV_SKIP_CUDA_STUB_WORKAROUND_RPATH_LINK)
|
|
set(CUDA_STUB_TARGET_PATH "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/")
|
|
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${cuda_driver_library_path}" "${CUDA_STUB_TARGET_PATH}/libcuda.so.1"
|
|
RESULT_VARIABLE CUDA_STUB_SYMLINK_RESULT)
|
|
if(NOT CUDA_STUB_SYMLINK_RESULT EQUAL 0)
|
|
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${cuda_driver_library_path}" "${CUDA_STUB_TARGET_PATH}/libcuda.so.1"
|
|
RESULT_VARIABLE CUDA_STUB_COPY_RESULT)
|
|
if(NOT CUDA_STUB_COPY_RESULT EQUAL 0)
|
|
set(CUDA_STUB_ENABLED_LINK_WORKAROUND 0)
|
|
endif()
|
|
endif()
|
|
if(CUDA_STUB_ENABLED_LINK_WORKAROUND)
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath-link,\"${CUDA_STUB_TARGET_PATH}\"")
|
|
endif()
|
|
else()
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-shlib-undefined")
|
|
endif()
|
|
if(NOT CUDA_STUB_ENABLED_LINK_WORKAROUND)
|
|
message(WARNING "CUDA: Workaround for stubs/libcuda.so.1 is not applied")
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(ocv_check_cuda_delayed_load cuda_toolkit_root_dir)
|
|
if(MSVC AND CUDA_ENABLE_DELAYLOAD)
|
|
set(DELAYFLAGS "delayimp.lib")
|
|
file(GLOB CUDA_DLLS "${cuda_toolkit_root_dir}/bin/*.dll")
|
|
foreach(d ${CUDA_DLLS})
|
|
cmake_path(GET "d" FILENAME DLL_NAME)
|
|
if(NOT ${DLL_NAME} MATCHES "cudart")
|
|
set(DELAYFLAGS "${DELAYFLAGS} /DELAYLOAD:${DLL_NAME}")
|
|
endif()
|
|
endforeach()
|
|
set(DELAYFLAGS "${DELAYFLAGS} /DELAYLOAD:nvcuda.dll /DELAYLOAD:nvml.dll /IGNORE:4199")
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${DELAYFLAGS}")
|
|
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${DELAYFLAGS}")
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${DELAYFLAGS}")
|
|
endif()
|
|
endmacro()
|