mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-28 05:06:29 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #17805 from tomoaki0705:fixCUDAHostCompilerIssue

Browse Source
This commit is contained in:
Alexander Alekhin 2020-07-12 13:05:14 +00:00
commit b75f6c05c0
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cmake/OpenCVDetectCUDA.cmake
View File

@ -106,7 +106,18 @@ if(CUDA_FOUND)
if(OPENCV_CUDA_DETECTION_NVCC_FLAGS MATCHES "-ccbin")
# already specified by user
elseif(CUDA_HOST_COMPILER AND EXISTS "${CUDA_HOST_COMPILER}")
get_filename_component(c_compiler_realpath "${CMAKE_C_COMPILER}" REALPATH)
# C compiler doesn't work with --run option, forcing C++ compiler instead
if(CUDA_HOST_COMPILER STREQUAL c_compiler_realpath OR CUDA_HOST_COMPILER STREQUAL CMAKE_C_COMPILER)
if(DEFINED CMAKE_CXX_COMPILER)
get_filename_component(cxx_compiler_realpath "${CMAKE_CXX_COMPILER}" REALPATH)
LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${cxx_compiler_realpath}")
else()
message(STATUS "CUDA: CMAKE_CXX_COMPILER is not available. You may need to specify CUDA_HOST_COMPILER.")
endif()
else()
LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${CUDA_HOST_COMPILER}")
endif()
elseif(WIN32 AND CMAKE_LINKER) # Workaround for VS cl.exe not being in the env. path
get_filename_component(host_compiler_bindir ${CMAKE_LINKER} DIRECTORY)
LIST(APPEND OPENCV_CUDA_DETECTION_NVCC_FLAGS -ccbin "${host_compiler_bindir}")