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cmake_minimum_required(VERSION 3.18)
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project(ProperDeviceLibraries CXX CUDA)
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set(CMAKE_CUDA_STANDARD 11)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads)
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if(CMAKE_CUDA_COMPILER_VERSION VERSION_LESS 10.0.0)
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# cublas_device requires at least sm_35.
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set(CMAKE_CUDA_ARCHITECTURES 35)
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endif()
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add_executable(ProperDeviceLibraries main.cu)
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set_target_properties(ProperDeviceLibraries
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PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
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add_library(UseThreadsMixed SHARED use_pthreads.cxx use_pthreads.cu)
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target_link_libraries(UseThreadsMixed Threads::Threads)
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add_library(UseThreadsCuda SHARED use_pthreads.cu)
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target_link_libraries(UseThreadsCuda Threads::Threads)
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target_link_libraries(ProperDeviceLibraries PRIVATE UseThreadsMixed UseThreadsCuda)
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if(THREADS_HAVE_PTHREAD_ARG AND CMAKE_USE_PTHREADS_INIT)
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add_library(UseExplicitPThreadsFlag SHARED use_pthreads.cu)
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target_compile_options(UseExplicitPThreadsFlag PUBLIC "-Xcompiler=-pthread")
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target_link_libraries(UseExplicitPThreadsFlag PUBLIC "-pthread")
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add_library(UseExplicitLThreadsFlag SHARED use_pthreads.cu)
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target_compile_options(UseExplicitLThreadsFlag PUBLIC "-Xcompiler=-pthread")
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target_link_libraries(UseExplicitLThreadsFlag PUBLIC "-lpthread")
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add_library(UseExplicitLongThreadsFlag SHARED use_pthreads.cu)
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target_link_libraries(UseExplicitLongThreadsFlag PUBLIC "--library pthread")
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target_link_libraries(ProperDeviceLibraries PRIVATE UseExplicitPThreadsFlag UseExplicitLThreadsFlag UseExplicitLongThreadsFlag)
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endif()
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if(CMAKE_CUDA_COMPILER_VERSION VERSION_LESS 10.0.0)
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#CUDA 10 removed the cublas_device library
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target_link_libraries(ProperDeviceLibraries PRIVATE cublas_device)
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endif()
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if(APPLE)
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# Help the static cuda runtime find the driver (libcuda.dyllib) at runtime.
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set_property(TARGET ProperDeviceLibraries PROPERTY BUILD_RPATH ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES})
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endif()
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