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enable_language(CUDA)
#
# Architecture options:
#
# Since we have to filter the arch list based on target features, we don't
# currently support the convenience arch flags:
if ("all" IN_LIST CMAKE_CUDA_ARCHITECTURES OR
"all-major" IN_LIST CMAKE_CUDA_ARCHITECTURES OR
"native" IN_LIST CMAKE_CUDA_ARCHITECTURES)
message(FATAL_ERROR
"The CUB dev build requires an explicit list of architectures in CMAKE_CUDA_ARCHITECTURES. "
"The convenience flags of 'all', 'all-major', and 'native' are not supported.\n"
"CMAKE_CUDA_ARCHITECTURES=${CMAKE_CUDA_ARCHITECTURES}")
endif()
# Create a new arch list that only contains arches that support CDP:
set(CUB_CUDA_ARCHITECTURES ${CMAKE_CUDA_ARCHITECTURES})
set(CUB_CUDA_ARCHITECTURES_RDC ${CUB_CUDA_ARCHITECTURES})
list(FILTER CUB_CUDA_ARCHITECTURES_RDC EXCLUDE REGEX "53|62|72")
message(STATUS "CUB_CUDA_ARCHITECTURES: ${CUB_CUDA_ARCHITECTURES}")
message(STATUS "CUB_CUDA_ARCHITECTURES_RDC: ${CUB_CUDA_ARCHITECTURES_RDC}")
if ("MSVC" STREQUAL "${CMAKE_CXX_COMPILER_ID}")
# Currently, there are linkage issues caused by bugs in interaction between MSBuild and CMake object libraries
# that take place with -rdc builds. Changing the default for now.
option(CUB_ENABLE_RDC_TESTS "Enable tests that require separable compilation." OFF)
else()
option(CUB_ENABLE_RDC_TESTS "Enable tests that require separable compilation." ON)
endif()
option(CUB_FORCE_RDC "Enable separable compilation on all targets that support it." OFF)
list(LENGTH CUB_CUDA_ARCHITECTURES_RDC rdc_arch_count)
if (rdc_arch_count EQUAL 0)
message(NOTICE "Disabling CUB CDPv1 targets as no enabled architectures support it.")
set(CUB_ENABLE_RDC_TESTS OFF CACHE BOOL "" FORCE)
set(CUB_FORCE_RDC OFF CACHE BOOL "" FORCE)
endif()
#
# Clang CUDA options
#
if ("Clang" STREQUAL "${CMAKE_CUDA_COMPILER_ID}")
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Wno-unknown-cuda-version -Xclang=-fcuda-allow-variadic-functions")
endif ()
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