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#
# find_package(CUB) config file.
#
# Defines a CUB::CUB target that may be linked from user projects to include
# CUB.
if (TARGET CUB::CUB)
return()
endif()
function(_cub_declare_interface_alias alias_name ugly_name)
# 1) Only IMPORTED and ALIAS targets can be placed in a namespace.
# 2) When an IMPORTED library is linked to another target, its include
# directories are treated as SYSTEM includes.
# 3) nvcc will automatically check the CUDA Toolkit include path *before* the
# system includes. This means that the Toolkit CUB will *always* be used
# during compilation, and the include paths of an IMPORTED CUB::CUB
# target will never have any effect.
# 4) This behavior can be fixed by setting the property NO_SYSTEM_FROM_IMPORTED
# on EVERY target that links to CUB::CUB. This would be a burden and a
# footgun for our users. Forgetting this would silently pull in the wrong CUB!
# 5) A workaround is to make a non-IMPORTED library outside of the namespace,
# configure it, and then ALIAS it into the namespace (or ALIAS and then
# configure, that seems to work too).
add_library(${ugly_name} INTERFACE)
add_library(${alias_name} ALIAS ${ugly_name})
endfunction()
#
# Setup targets
#
_cub_declare_interface_alias(CUB::CUB _CUB_CUB)
# Strip out the 'cub/cmake/' from 'cub/cmake/cub-config.cmake':
get_filename_component(_CUB_INCLUDE_DIR "../.." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
target_include_directories(_CUB_CUB INTERFACE "${_CUB_INCLUDE_DIR}")
if (CUB_IGNORE_DEPRECATED_CPP_DIALECT OR
THRUST_IGNORE_DEPRECATED_CPP_DIALECT)
target_compile_definitions(_CUB_CUB INTERFACE "CUB_IGNORE_DEPRECATED_CPP_DIALECT")
endif()
if (CUB_IGNORE_DEPRECATED_CPP_11 OR
THRUST_IGNORE_DEPRECATED_CPP_11)
target_compile_definitions(_CUB_CUB INTERFACE "CUB_IGNORE_DEPRECATED_CPP_11")
endif()
if (CUB_IGNORE_DEPRECATED_COMPILER OR
THRUST_IGNORE_DEPRECATED_COMPILER)
target_compile_definitions(_CUB_CUB INTERFACE "CUB_IGNORE_DEPRECATED_COMPILER")
endif()
#
# Standardize version info
#
set(CUB_VERSION ${${CMAKE_FIND_PACKAGE_NAME}_VERSION} CACHE INTERNAL "")
set(CUB_VERSION_MAJOR ${${CMAKE_FIND_PACKAGE_NAME}_VERSION_MAJOR} CACHE INTERNAL "")
set(CUB_VERSION_MINOR ${${CMAKE_FIND_PACKAGE_NAME}_VERSION_MINOR} CACHE INTERNAL "")
set(CUB_VERSION_PATCH ${${CMAKE_FIND_PACKAGE_NAME}_VERSION_PATCH} CACHE INTERNAL "")
set(CUB_VERSION_TWEAK ${${CMAKE_FIND_PACKAGE_NAME}_VERSION_TWEAK} CACHE INTERNAL "")
set(CUB_VERSION_COUNT ${${CMAKE_FIND_PACKAGE_NAME}_VERSION_COUNT} CACHE INTERNAL "")
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