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# Bring in CMAKE_INSTALL_DATADIR
include(GNUInstallDirs)
# Thrust is a header library; no need to build anything before installing:
set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY TRUE)
install(DIRECTORY "${Thrust_SOURCE_DIR}/thrust"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
FILES_MATCHING
PATTERN "*.h"
PATTERN "*.inl"
)
install(DIRECTORY "${Thrust_SOURCE_DIR}/thrust/cmake/"
DESTINATION "${CMAKE_INSTALL_DATADIR}/cmake/thrust"
REGEX .*header-search.cmake.* EXCLUDE
)
# Need to configure a file to store the infix specified in
# CMAKE_INSTALL_INCLUDEDIR since it can be defined by the user
set(_CCCL_RELATIVE_LIBDIR "${CMAKE_INSTALL_DATADIR}")
if(_CCCL_RELATIVE_LIBDIR MATCHES "^${CMAKE_INSTALL_PREFIX}")
# libdir is an abs string that starts with prefix
string(LENGTH "${CMAKE_INSTALL_PREFIX}" to_remove)
string(SUBSTRING "${_CCCL_RELATIVE_LIBDIR}" ${to_remove} -1 relative)
# remove any leading "/""
string(REGEX REPLACE "^/(.)" "\\1" _CCCL_RELATIVE_LIBDIR "${relative}")
elseif(_CCCL_RELATIVE_LIBDIR MATCHES "^/")
message(FATAL_ERROR "CMAKE_INSTALL_LIBDIR ('${CMAKE_INSTALL_LIBDIR}') must be a relative path or an absolute path under CMAKE_INSTALL_PREFIX ('${CMAKE_INSTALL_PREFIX}')")
endif()
set(install_location "${_CCCL_RELATIVE_LIBDIR}/cmake/thrust")
# Transform to a list of directories, replace each directory with "../"
# and convert back to a string
string(REGEX REPLACE "/" ";" from_install_prefix "${install_location}")
list(TRANSFORM from_install_prefix REPLACE ".+" "../")
list(JOIN from_install_prefix "" from_install_prefix)
configure_file("${Thrust_SOURCE_DIR}/thrust/cmake/thrust-header-search.cmake.in"
"${Thrust_BINARY_DIR}/thrust/cmake/thrust-header-search.cmake"
@ONLY)
install(FILES "${Thrust_BINARY_DIR}/thrust/cmake/thrust-header-search.cmake"
DESTINATION "${install_location}")
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