mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 01:49:02 +00:00
07b55a9546
Fixes #443.
180 lines
8.2 KiB
CMake
180 lines
8.2 KiB
CMake
##============================================================================
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## Copyright (c) Kitware, Inc.
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## All rights reserved.
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## See LICENSE.txt for details.
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##
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## This software is distributed WITHOUT ANY WARRANTY; without even
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## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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## PURPOSE. See the above copyright notice for more information.
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##============================================================================
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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR
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CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
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set(VTKM_COMPILER_IS_MSVC 1)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "PGI")
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set(VTKM_COMPILER_IS_PGI 1)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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set(VTKM_COMPILER_IS_ICC 1)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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set(VTKM_COMPILER_IS_CLANG 1)
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set(VTKM_COMPILER_IS_APPLECLANG 1)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(VTKM_COMPILER_IS_CLANG 1)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set(VTKM_COMPILER_IS_GNU 1)
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endif()
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#-----------------------------------------------------------------------------
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# vtkm_compiler_flags is used by all the vtkm targets and consumers of VTK-m
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# The flags on vtkm_compiler_flags are needed when using/building vtk-m
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add_library(vtkm_compiler_flags INTERFACE)
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# When building libraries/tests that are part of the VTK-m repository
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# inherit the properties from vtkm_vectorization_flags.
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# The flags are intended only for VTK-m itself and are not needed by consumers.
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# We will export vtkm_vectorization_flags in general
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# so consumer can either enable vectorization or use VTK-m's build flags if
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# they so desire
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target_link_libraries(vtkm_compiler_flags
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INTERFACE $<BUILD_INTERFACE:vtkm_vectorization_flags>)
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# setup that we need C++11 support
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target_compile_features(vtkm_compiler_flags INTERFACE cxx_std_11)
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# setup our static libraries so that a separate ELF section
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# is generated for each function. This allows for the linker to
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# remove unused sections. This allows for programs that use VTK-m
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# to have the smallest binary impact as they can drop any VTK-m symbol
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# they don't use.
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if(VTKM_COMPILER_IS_MSVC)
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:/Gy>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler="/Gy">)
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endif()
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elseif(NOT VTKM_COMPILER_IS_PGI) #can't find an equivalant PGI flag
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-ffunction-sections>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-ffunction-sections>)
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endif()
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endif()
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# Enable large object support so we can have 2^32 addressable sections
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if(VTKM_COMPILER_IS_MSVC)
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:/bigobj>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_compiler_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler="/bigobj">)
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endif()
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endif()
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# Setup the include directories that are needed for vtkm
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target_include_directories(vtkm_compiler_flags INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
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$<INSTALL_INTERFACE:${VTKm_INSTALL_INCLUDE_DIR}>
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)
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#-----------------------------------------------------------------------------
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# vtkm_developer_flags is used ONLY BY libraries that are built as part of this
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# repository
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add_library(vtkm_developer_flags INTERFACE)
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# Additional warnings just for Clang 3.5+, and AppleClang 7+
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# about failures to vectorize.
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if (VTKM_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3.4)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-Wno-pass-failed>)
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elseif(VTKM_COMPILER_IS_APPLECLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.99)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-Wno-pass-failed>)
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endif()
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if(VTKM_COMPILER_IS_MSVC)
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target_compile_definitions(vtkm_developer_flags INTERFACE "_SCL_SECURE_NO_WARNINGS"
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"_CRT_SECURE_NO_WARNINGS")
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if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.15)
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set(cxx_flags "-W3")
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set(cuda_flags "-Xcompiler=-W3")
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endif()
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list(APPEND cxx_flags -wd4702 -wd4505)
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list(APPEND cuda_flags "-Xcompiler=-wd4702,-wd4505")
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#Setup MSVC warnings with CUDA and CXX
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:${cuda_flags} -Xcudafe=--diag_suppress=1394,--diag_suppress=766>)
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endif()
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if(MSVC_VERSION LESS 1900)
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# In VS2013 the C4127 warning has a bug in the implementation and
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# generates false positive warnings for lots of template code
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-wd4127>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-wd4127>)
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endif()
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endif()
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elseif(VTKM_COMPILER_IS_ICC)
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#Intel compiler offers header level suppression in the form of
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# #pragma warning(disable : 1478), but for warning 1478 it seems to not
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#work. Instead we add it as a definition
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# Likewise to suppress failures about being unable to apply vectorization
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# to loops, the #pragma warning(disable seems to not work so we add a
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# a compile define.
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-wd1478 -wd13379>)
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elseif(VTKM_COMPILER_IS_GNU OR VTKM_COMPILER_IS_CLANG)
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set(cxx_flags -Wall -Wcast-align -Wchar-subscripts -Wextra -Wpointer-arith -Wformat -Wformat-security -Wshadow -Wunused -fno-common)
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set(cuda_flags -Xcompiler=-Wall,-Wno-unknown-pragmas,-Wno-unused-local-typedefs,-Wno-unused-local-typedefs,-Wno-unused-function,-Wcast-align,-Wchar-subscripts,-Wpointer-arith,-Wformat,-Wformat-security,-Wshadow,-Wunused,-fno-common)
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#Only add float-conversion warnings for gcc as the integer warnigns in GCC
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#include the implicit casting of all types smaller than int to ints.
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if (VTKM_COMPILER_IS_GNU AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.99)
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list(APPEND cxx_flags -Wfloat-conversion)
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set(cuda_flags "${cuda_flags},-Wfloat-conversion")
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elseif (VTKM_COMPILER_IS_CLANG)
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list(APPEND cxx_flags -Wconversion)
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set(cuda_flags "${cuda_flags},-Wconversion")
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endif()
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#Add in the -Wodr warning for GCC versions 5.2+
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if (VTKM_COMPILER_IS_GNU AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.1)
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list(APPEND cxx_flags -Wodr)
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set(cuda_flags "${cuda_flags},-Wodr")
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elseif (VTKM_COMPILER_IS_CLANG)
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list(APPEND cxx_flags -Wodr)
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set(cuda_flags "${cuda_flags},-Wodr")
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endif()
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#GCC 5, 6 don't properly handle strict-overflow suppression through pragma's.
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#Instead of suppressing around the location of the strict-overflow you
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#have to suppress around the entry point, or in vtk-m case the worklet
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#invocation site. This is incredibly tedious and has been fixed in gcc 7
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#
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if(VTKM_COMPILER_IS_GNU AND
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(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.99) AND
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(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.99) )
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list(APPEND cxx_flags -Wno-strict-overflow)
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endif()
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>)
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if(TARGET vtkm::cuda)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:${cuda_flags}>)
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endif()
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endif()
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#common warnings for all platforms when building cuda
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if(TARGET vtkm::cuda)
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if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
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#nvcc 9 introduced specific controls to disable the stack size warning
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#otherwise we let the warning occur. We have to set this in CMAKE_CUDA_FLAGS
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#as it is passed to the device link step, unlike compile_options
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set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xnvlink=--suppress-stack-size-warning")
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endif()
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set(display_error_nums -Xcudafe=--display_error_number)
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target_compile_options(vtkm_developer_flags INTERFACE $<$<COMPILE_LANGUAGE:CUDA>:${display_error_nums}>)
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endif()
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if(NOT VTKm_INSTALL_ONLY_LIBRARIES)
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install(TARGETS vtkm_compiler_flags vtkm_developer_flags EXPORT ${VTKm_EXPORT_NAME})
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endif()
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