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cmake_minimum_required(VERSION 3.18)
project(CudaOptix LANGUAGES CUDA)
set(CMAKE_CUDA_ARCHITECTURES all-major)
add_library(CudaOptix OBJECT
${CMAKE_CURRENT_SOURCE_DIR}/../CUBIN/kernelA.cu
${CMAKE_CURRENT_SOURCE_DIR}/../CUBIN/kernelB.cu
${CMAKE_CURRENT_SOURCE_DIR}/../CUBIN/kernelC.cu)
if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "11.7.0")
set_property(TARGET CudaOptix PROPERTY CUDA_OPTIX_COMPILATION ON)
endif()
set_property(TARGET CudaOptix PROPERTY CUDA_ARCHITECTURES native)
add_executable(CudaOnlyOptixIR main.cu)
target_compile_features(CudaOnlyOptixIR PRIVATE cuda_std_11)
if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "11.7.0")
target_compile_definitions(CudaOnlyOptixIR PRIVATE "OPTIX_FILE_PATHS=\"$<JOIN:$<TARGET_OBJECTS:CudaOptix>,~_~>\"")
else()
target_compile_definitions(CudaOnlyOptixIR PRIVATE "OPTIX_FILE_PATHS=\"NO_OPTIX_SUPPORT\"")
endif()
find_package(CUDAToolkit REQUIRED)
target_link_libraries(CudaOnlyOptixIR PRIVATE CUDA::cuda_driver)
if(APPLE)
# Help the static cuda runtime find the driver (libcuda.dyllib) at runtime.
set_property(TARGET CudaOnlyOptixIR PROPERTY BUILD_RPATH ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES})
endif()
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