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cudev: add -Xcompiler=/Zc:preprocessor to fix bug in CUDA 12.9 #3968

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Merged
merged 1 commit into from
Jul 24, 2025
+8 −4
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cudev: add -Xcompiler=/Zc:preprocessor to fix bug in CUDA 12.9 #3968

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12 changes: 8 additions & 4 deletions modules/cudev/test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,20 +19,24 @@ if(OCV_DEPENDENCIES_FOUND)
if(NOT ENABLE_CUDA_FIRST_CLASS_LANGUAGE)
ocv_check_windows_crt_linkage()
set(target_libs ${target_libs} ${CUDA_LIBRARIES})
set(test_cudev_cuda_options "")
if(CUDA_VERSION VERSION_LESS "11.0")
# Windows version does not support --std option
if(UNIX OR APPLE)
ocv_update(OPENCV_CUDA_OPTIONS_opencv_test_cudev "-std=c++11")
list(APPEND test_cudev_cuda_options "-std=c++11")
endif()
else()
if(CUDA_VERSION VERSION_LESS "12.8")
ocv_update(OPENCV_CUDA_OPTIONS_opencv_test_cudev "-std=c++14")
list(APPEND test_cudev_cuda_options "-std=c++14")
else()
ocv_update(OPENCV_CUDA_OPTIONS_opencv_test_cudev "-std=c++17")
list(APPEND test_cudev_cuda_options "-std=c++17")
if(WIN32)
list(APPEND test_cudev_cuda_options "-Xcompiler=/Zc:preprocessor")
endif()
endif()
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wdeprecated-declarations)
endif()
CUDA_ADD_EXECUTABLE(${the_target} ${OPENCV_TEST_${the_module}_SOURCES} OPTIONS ${OPENCV_CUDA_OPTIONS_opencv_test_cudev})
CUDA_ADD_EXECUTABLE(${the_target} ${OPENCV_TEST_${the_module}_SOURCES} OPTIONS ${test_cudev_cuda_options})
else()
ocv_add_executable(${the_target} ${OPENCV_TEST_${the_module}_SOURCES})
endif()
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