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Find threads library in external build
In certain circumstances (currently, when logging is enabled), VTK-m libraries depend on the threading library. However, when the VTK-m package was included from an external project, it did not automatically find the threads package. This change makes the Threads library loaded when the VTK-m package is found.
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@ -45,6 +45,7 @@
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# VTKm_ENABLE_CUDA Will be enabled if VTK-m was built with CUDA support
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# VTKm_ENABLE_CUDA Will be enabled if VTK-m was built with CUDA support
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# VTKm_ENABLE_TBB Will be enabled if VTK-m was built with TBB support
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# VTKm_ENABLE_TBB Will be enabled if VTK-m was built with TBB support
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# VTKm_ENABLE_OPENMP Will be enabled if VTK-m was built with OpenMP support
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# VTKm_ENABLE_OPENMP Will be enabled if VTK-m was built with OpenMP support
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# VTKm_ENABLE_LOGGING Will be enabled if VTK-m was built with logging support
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# VTKm_ENABLE_MPI Will be enabled if VTK-m was built with MPI support
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# VTKm_ENABLE_MPI Will be enabled if VTK-m was built with MPI support
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# VTKm_ENABLE_RENDERING Will be enabled if VTK-m was built with rendering support
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# VTKm_ENABLE_RENDERING Will be enabled if VTK-m was built with rendering support
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# VTKm_ENABLE_GL_CONTEXT Will be enabled if VTK-m rendering was built with a GL context
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# VTKm_ENABLE_GL_CONTEXT Will be enabled if VTK-m rendering was built with a GL context
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@ -74,6 +75,7 @@ set(VTKm_BUILD_SHARED_LIBS "@VTKm_BUILD_SHARED_LIBS@")
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set(VTKm_ENABLE_CUDA "@VTKm_ENABLE_CUDA@")
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set(VTKm_ENABLE_CUDA "@VTKm_ENABLE_CUDA@")
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set(VTKm_ENABLE_TBB "@VTKm_ENABLE_TBB@")
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set(VTKm_ENABLE_TBB "@VTKm_ENABLE_TBB@")
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set(VTKm_ENABLE_OPENMP "@VTKm_ENABLE_OPENMP@")
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set(VTKm_ENABLE_OPENMP "@VTKm_ENABLE_OPENMP@")
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set(VTKm_ENABLE_LOGGING "@VTKm_ENABLE_LOGGING@")
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set(VTKm_ENABLE_RENDERING "@VTKm_ENABLE_RENDERING@")
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set(VTKm_ENABLE_RENDERING "@VTKm_ENABLE_RENDERING@")
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set(VTKm_ENABLE_GL_CONTEXT "@VTKm_ENABLE_GL_CONTEXT@")
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set(VTKm_ENABLE_GL_CONTEXT "@VTKm_ENABLE_GL_CONTEXT@")
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set(VTKm_ENABLE_OSMESA_CONTEXT "@VTKm_ENABLE_OSMESA_CONTEXT@")
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set(VTKm_ENABLE_OSMESA_CONTEXT "@VTKm_ENABLE_OSMESA_CONTEXT@")
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@ -294,3 +294,8 @@ if(VTKm_ENABLE_CUDA AND NOT TARGET vtkm::cuda)
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set_target_properties(vtkm::cuda PROPERTIES VTKm_CUDA_Architecture_Flags "${arch_flags}")
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set_target_properties(vtkm::cuda PROPERTIES VTKm_CUDA_Architecture_Flags "${arch_flags}")
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endif()
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endif()
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if(NOT TARGET Threads::Threads)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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endif()
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@ -201,8 +201,6 @@ if(TARGET vtkm::openmp)
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list(APPEND backends vtkm::openmp)
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list(APPEND backends vtkm::openmp)
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endif()
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endif()
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if (VTKm_ENABLE_LOGGING)
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if (VTKm_ENABLE_LOGGING)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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list(APPEND DL_LIBS ${CMAKE_DL_LIBS} Threads::Threads) # dladdr function
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list(APPEND DL_LIBS ${CMAKE_DL_LIBS} Threads::Threads) # dladdr function
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endif()
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endif()
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target_link_libraries(vtkm_cont PUBLIC vtkm_compiler_flags ${backends} ${DL_LIBS})
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target_link_libraries(vtkm_cont PUBLIC vtkm_compiler_flags ${backends} ${DL_LIBS})
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