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cmake_minimum_required(VERSION 3.15)
project(CudaOnlyToolkitBeforeLang CXX)
# Validate that CUDAToolkit gets the correct version
# when called before CUDA the language is enabled
find_package(CUDAToolkit REQUIRED)
enable_language(CUDA)
if(NOT DEFINED CUDAToolkit_VERSION)
message(FATAL_ERROR "expected CUDAToolkit variable CUDAToolkit_VERSION not found")
endif()
set(cuda_libs cudart cuda_driver)
# Verify that all the CUDA:: targets and variables exist
foreach (cuda_lib IN LISTS cuda_libs)
if(NOT CUDA_${cuda_lib}_LIBRARY)
message(FATAL_ERROR "expected CUDAToolkit variable CUDA_${cuda_lib}_LIBRARY not found")
endif()
if(NOT TARGET CUDA::${cuda_lib})
message(FATAL_ERROR "expected CUDAToolkit target CUDA::${cuda_lib} not found")
endif()
endforeach()
add_executable(CudaOnlyToolkitBeforeLang main.cu)
target_link_libraries(CudaOnlyToolkitBeforeLang PRIVATE CUDA::toolkit)
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