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cmake_minimum_required(VERSION 3.15)
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project(Toolkit CXX)
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#Goal for this example:
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# Validate that we can use CUDAToolkit to find cuda include paths
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find_package(CUDAToolkit REQUIRED)
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if(NOT DEFINED CUDAToolkit_VERSION)
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message(FATAL_ERROR "expected CUDAToolkit variable CUDAToolkit_VERSION not found")
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endif()
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message(STATUS "CUDAToolkit_VERSION: ${CUDAToolkit_VERSION}")
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message(STATUS "CUDAToolkit_VERSION_MAJOR: ${CUDAToolkit_VERSION_MAJOR}")
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message(STATUS "CUDAToolkit_VERSION_MINOR: ${CUDAToolkit_VERSION_MINOR}")
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message(STATUS "CUDAToolkit_VERSION_PATCH: ${CUDAToolkit_VERSION_PATCH}")
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message(STATUS "CUDAToolkit_BIN_DIR: ${CUDAToolkit_BIN_DIR}")
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message(STATUS "CUDAToolkit_INCLUDE_DIRS: ${CUDAToolkit_INCLUDE_DIRS}")
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message(STATUS "CUDAToolkit_LIBRARY_DIR: ${CUDAToolkit_LIBRARY_DIR}")
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message(STATUS "CUDAToolkit_LIBRARY_ROOT: ${CUDAToolkit_LIBRARY_ROOT}")
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message(STATUS "CUDAToolkit_NVCC_EXECUTABLE ${CUDAToolkit_NVCC_EXECUTABLE}")
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set(should_exist
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CUDAToolkit_BIN_DIR
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CUDAToolkit_INCLUDE_DIRS
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CUDAToolkit_LIBRARY_DIR
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CUDAToolkit_LIBRARY_ROOT
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)
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foreach (cuda_loc_var IN LISTS should_exist)
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if(NOT EXISTS "${${cuda_loc_var}}")
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message(FATAL_ERROR "${cuda_loc_var} variable is expected to be set to valid path")
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endif()
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endforeach()
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set(cuda_libs cudart cuda_driver cublas cufft cufftw curand cusolver cusparse)
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if(CUDAToolkit_VERSION VERSION_GREATER_EQUAL 10.1)
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list(APPEND cuda_libs cublasLt)
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endif()
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if(CUDAToolkit_VERSION_MAJOR VERSION_GREATER 11)
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list(APPEND cuda_libs nvJitLink)
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endif()
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if(CUDAToolkit_VERSION_MAJOR VERSION_LESS 11)
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list(APPEND cuda_libs nvgraph)
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endif()
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# Verify that all the CUDA:: targets exist even when the CUDA language isn't enabled
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foreach (cuda_lib IN LISTS cuda_libs)
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if(NOT CUDA_${cuda_lib}_LIBRARY)
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message(FATAL_ERROR "expected CUDAToolkit variable CUDA_${cuda_lib}_LIBRARY not found")
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elseif(CUDA_${cuda_lib}_LIBRARY MATCHES [[\.\./]])
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message(FATAL_ERROR "expected CUDAToolkit variable CUDA_${cuda_lib}_LIBRARY[\"${CUDA_${cuda_lib}_LIBRARY}\"] to not contain /..")
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endif()
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if(NOT TARGET CUDA::${cuda_lib})
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message(FATAL_ERROR "expected CUDAToolkit target CUDA::${cuda_lib} not found")
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endif()
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endforeach()
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set(npp_libs nppc nppial nppicc nppidei nppif nppig nppim nppist nppitc npps nppisu)
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if(CUDAToolkit_VERSION_MAJOR VERSION_LESS 11)
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list(APPEND npp_libs nppicom)
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endif()
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foreach (cuda_lib IN LISTS npp_libs)
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if(CUDA_${cuda_lib}_LIBRARY MATCHES [[\.\./]])
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message(FATAL_ERROR "expected CUDAToolkit variable CUDA_${cuda_lib}_LIBRARY[\"${CUDA_${cuda_lib}_LIBRARY}\"] to not contain /..")
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endif()
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if(NOT TARGET CUDA::${cuda_lib})
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message(FATAL_ERROR "The CUDA::${cuda_lib} target was expected but couldn't be found")
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endif()
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endforeach()
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foreach (cuda_lib nvrtc nvToolsExt OpenCL)
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if(NOT TARGET CUDA::${cuda_lib})
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message(FATAL_ERROR "The CUDA::${cuda_lib} target was expected but couldn't be found")
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endif()
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endforeach()
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add_executable(Toolkit main.cpp)
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target_link_libraries(Toolkit PRIVATE CUDA::toolkit)
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# cupti is an optional component of the CUDA toolkit
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if(TARGET CUDA::cupti)
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add_executable(cupti cupti.cpp)
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target_link_libraries(cupti PRIVATE CUDA::cupti)
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endif()
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