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# Compute Node Linux doesn't quite work the same as native Linux so all of this
# needs to be custom. We use the variables defined through Cray's environment
# modules to set up the right paths for things.
set(UNIX 1)
if(DEFINED ENV{CRAYOS_VERSION})
set(CMAKE_SYSTEM_VERSION "$ENV{CRAYOS_VERSION}")
elseif(DEFINED ENV{XTOS_VERSION})
set(CMAKE_SYSTEM_VERSION "$ENV{XTOS_VERSION}")
elseif(EXISTS /etc/opt/cray/release/cle-release)
file(STRINGS /etc/opt/cray/release/cle-release release REGEX "^RELEASE=.*")
string(REGEX REPLACE "^RELEASE=(.*)$" "\\1" CMAKE_SYSTEM_VERSION "${release}")
unset(release)
elseif(EXISTS /etc/opt/cray/release/clerelease)
file(READ /etc/opt/cray/release/clerelease CMAKE_SYSTEM_VERSION)
endif()
# Guard against multiple messages
if(NOT __CrayLinuxEnvironment_message)
set(__CrayLinuxEnvironment_message 1 CACHE INTERNAL "")
if(NOT CMAKE_SYSTEM_VERSION)
message(STATUS "CrayLinuxEnvironment: Unable to determine CLE version. This platform file should only be used from inside the Cray Linux Environment for targeting compute nodes (NIDs).")
else()
message(STATUS "Cray Linux Environment ${CMAKE_SYSTEM_VERSION}")
endif()
endif()
# All cray systems are x86 CPUs and have been for quite some time
# Note: this may need to change in the future with 64-bit ARM
set(CMAKE_SYSTEM_PROCESSOR "x86_64")
set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".so")
set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
set(CMAKE_FIND_LIBRARY_PREFIXES "lib")
# Don't override shared lib support if it's already been set and possibly
# overridden elsewhere by the CrayPrgEnv module
if(NOT CMAKE_FIND_LIBRARY_SUFFIXES)
set(CMAKE_FIND_LIBRARY_SUFFIXES ".so" ".a")
set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
endif()
set(CMAKE_DL_LIBS dl)
# Note: Much of this is pulled from UnixPaths.cmake but adjusted to the Cray
# environment accordingly
# Get the install directory of the running cmake to the search directories
# CMAKE_ROOT is CMAKE_INSTALL_PREFIX/share/cmake, so we need to go two levels up
get_filename_component(__cmake_install_dir "${CMAKE_ROOT}" PATH)
get_filename_component(__cmake_install_dir "${__cmake_install_dir}" PATH)
# Note: Some Cray's have the SYSROOT_DIR variable defined, pointing to a copy
# of the NIDs userland. If so, then we'll use it. Otherwise, just assume
# the userland from the login node is ok
# List common installation prefixes. These will be used for all
# search types.
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
# Standard
$ENV{SYSROOT_DIR}/usr/local $ENV{SYSROOT_DIR}/usr $ENV{SYSROOT_DIR}/
# CMake install location
"${__cmake_install_dir}"
)
if (NOT CMAKE_FIND_NO_INSTALL_PREFIX)
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
# Project install destination.
"${CMAKE_INSTALL_PREFIX}"
)
if(CMAKE_STAGING_PREFIX)
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
# User-supplied staging prefix.
"${CMAKE_STAGING_PREFIX}"
)
endif()
endif()
list(APPEND CMAKE_SYSTEM_INCLUDE_PATH
$ENV{SYSROOT_DIR}/usr/include
$ENV{SYSROOT_DIR}/usr/include/X11
)
list(APPEND CMAKE_SYSTEM_LIBRARY_PATH
$ENV{SYSROOT_DIR}/usr/local/lib64
$ENV{SYSROOT_DIR}/usr/lib64
$ENV{SYSROOT_DIR}/lib64
)
list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
$ENV{SYSROOT_DIR}/usr/local/lib64
$ENV{SYSROOT_DIR}/usr/lib64
$ENV{SYSROOT_DIR}/lib64
)
# Compute the intersection of several lists
function(__cray_list_intersect OUTPUT INPUT0)
if(ARGC EQUAL 2)
list(APPEND ${OUTPUT} ${${INPUT0}})
else()
foreach(I IN LISTS ${INPUT0})
set(__is_common 1)
foreach(L IN LISTS ARGN)
list(FIND ${L} "${I}" __idx)
if(__idx EQUAL -1)
set(__is_common 0)
break()
endif()
endforeach()
if(__is_common)
list(APPEND ${OUTPUT} "${I}")
endif()
endforeach()
endif()
set(${OUTPUT} ${${OUTPUT}} PARENT_SCOPE)
endfunction()
macro(__list_clean_dupes var)
if(${var})
list(REMOVE_DUPLICATES ${var})
endif()
endmacro()
get_property(__langs GLOBAL PROPERTY ENABLED_LANGUAGES)
set(__cray_inc_path_vars)
set(__cray_lib_path_vars)
foreach(__lang IN LISTS __langs)
list(APPEND __cray_inc_path_vars CMAKE_${__lang}_IMPLICIT_INCLUDE_DIRECTORIES)
list(APPEND __cray_lib_path_vars CMAKE_${__lang}_IMPLICIT_LINK_DIRECTORIES)
endforeach()
if(__cray_inc_path_vars)
__cray_list_intersect(__cray_implicit_include_dirs ${__cray_inc_path_vars})
if(__cray_implicit_include_dirs)
list(INSERT CMAKE_SYSTEM_INCLUDE_PATH 0 ${__cray_implicit_include_dirs})
endif()
endif()
if(__cray_lib_path_vars)
__cray_list_intersect(__cray_implicit_library_dirs ${__cray_lib_path_vars})
if(__cray_implicit_library_dirs)
list(INSERT CMAKE_SYSTEM_LIBRARY_PATH 0 ${__cray_implicit_library_dirs})
endif()
endif()
__list_clean_dupes(CMAKE_SYSTEM_PREFIX_PATH)
__list_clean_dupes(CMAKE_SYSTEM_INCLUDE_PATH)
__list_clean_dupes(CMAKE_SYSTEM_LIBRARY_PATH)
__list_clean_dupes(CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES)
# Enable use of lib64 search path variants by default.
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
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