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CUDA: allow to use external FindCUDA from modern CMake

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CMake 3.9.0+ is required
This commit is contained in:
Alexander Alekhin 2018-07-11 13:47:56 +03:00
parent 625d20b9b4
commit e79c729b20
1 changed files with 15 additions and 6 deletions
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21
cmake/OpenCVDetectCUDA.cmake
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@ -8,14 +8,23 @@ if(NOT APPLE AND CV_CLANG)
return()
endif()
set(CMAKE_MODULE_PATH "${OpenCV_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
if(ANDROID)
set(CUDA_TARGET_OS_VARIANT "Android")
if(((NOT CMAKE_VERSION VERSION_LESS "3.9.0") # requires https://gitlab.kitware.com/cmake/cmake/merge_requests/663
OR OPENCV_CUDA_FORCE_EXTERNAL_CMAKE_MODULE)
AND NOT OPENCV_CUDA_FORCE_BUILTIN_CMAKE_MODULE)
ocv_update(CUDA_LINK_LIBRARIES_KEYWORD "LINK_PRIVATE")
find_host_package(CUDA "${MIN_VER_CUDA}" QUIET)
else()
# Use OpenCV's patched "FindCUDA" module
set(CMAKE_MODULE_PATH "${OpenCV_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
if(ANDROID)
set(CUDA_TARGET_OS_VARIANT "Android")
endif()
find_host_package(CUDA "${MIN_VER_CUDA}" QUIET)
list(REMOVE_AT CMAKE_MODULE_PATH 0)
endif()
find_host_package(CUDA "${MIN_VER_CUDA}" QUIET)
list(REMOVE_AT CMAKE_MODULE_PATH 0)
if(CUDA_FOUND)
set(HAVE_CUDA 1)