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zdoom-macos-deps/deps/cmake/share/cmake-3.25/Modules/CMakeDetermineSystem.cmake
alexey.lysiuk 8f83130649 deps: update cmake to 3.25.1
2023-01-10 16:43:43 +02:00

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This module is used by the Makefile generator to determine the following variables:
# CMAKE_SYSTEM_NAME - on unix this is uname -s, for windows it is Windows
# CMAKE_SYSTEM_VERSION - on unix this is uname -r, for windows it is empty
# CMAKE_SYSTEM - ${CMAKE_SYSTEM}-${CMAKE_SYSTEM_VERSION}, for windows: ${CMAKE_SYSTEM}
#
# Expected uname -s output:
#
# AIX AIX
# BSD/OS BSD/OS
# FreeBSD FreeBSD
# HP-UX HP-UX
# Linux Linux
# GNU/kFreeBSD GNU/kFreeBSD
# NetBSD NetBSD
# OpenBSD OpenBSD
# OFS/1 (Digital Unix) OSF1
# SCO OpenServer 5 SCO_SV
# SCO UnixWare 7 UnixWare
# SCO UnixWare (pre release 7) UNIX_SV
# SCO XENIX Xenix
# Solaris SunOS
# SunOS SunOS
# Tru64 Tru64
# Ultrix ULTRIX
# cygwin CYGWIN_NT-5.1
# MSYS MSYS_NT-6.1
# MacOSX Darwin
# find out on which system cmake runs
if(CMAKE_HOST_UNIX)
find_program(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin )
if(CMAKE_UNAME)
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "AIX")
exec_program(${CMAKE_UNAME} ARGS -v OUTPUT_VARIABLE _CMAKE_HOST_SYSTEM_MAJOR_VERSION)
exec_program(${CMAKE_UNAME} ARGS -r OUTPUT_VARIABLE _CMAKE_HOST_SYSTEM_MINOR_VERSION)
set(CMAKE_HOST_SYSTEM_VERSION "${_CMAKE_HOST_SYSTEM_MAJOR_VERSION}.${_CMAKE_HOST_SYSTEM_MINOR_VERSION}")
unset(_CMAKE_HOST_SYSTEM_MAJOR_VERSION)
unset(_CMAKE_HOST_SYSTEM_MINOR_VERSION)
else()
exec_program(${CMAKE_UNAME} ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
endif()
if(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*|MSYS.*|^GNU$|Android")
exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin")
# If we are running on Apple Silicon, honor CMAKE_APPLE_SILICON_PROCESSOR.
if(DEFINED CMAKE_APPLE_SILICON_PROCESSOR)
set(_CMAKE_APPLE_SILICON_PROCESSOR "${CMAKE_APPLE_SILICON_PROCESSOR}")
elseif(DEFINED ENV{CMAKE_APPLE_SILICON_PROCESSOR})
set(_CMAKE_APPLE_SILICON_PROCESSOR "$ENV{CMAKE_APPLE_SILICON_PROCESSOR}")
else()
set(_CMAKE_APPLE_SILICON_PROCESSOR "")
endif()
if(_CMAKE_APPLE_SILICON_PROCESSOR)
if(";${_CMAKE_APPLE_SILICON_PROCESSOR};" MATCHES "^;(arm64|x86_64);$")
execute_process(COMMAND sysctl -q hw.optional.arm64
OUTPUT_VARIABLE _sysctl_stdout
ERROR_VARIABLE _sysctl_stderr
RESULT_VARIABLE _sysctl_result
)
if(NOT _sysctl_result EQUAL 0 OR NOT _sysctl_stdout MATCHES "hw.optional.arm64: 1")
set(_CMAKE_APPLE_SILICON_PROCESSOR "")
endif()
unset(_sysctl_result)
unset(_sysctl_stderr)
unset(_sysctl_stdout)
endif()
endif()
if(_CMAKE_APPLE_SILICON_PROCESSOR)
set(CMAKE_HOST_SYSTEM_PROCESSOR "${_CMAKE_APPLE_SILICON_PROCESSOR}")
else()
exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
endif()
unset(_CMAKE_APPLE_SILICON_PROCESSOR)
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "Power Macintosh")
# OS X ppc 'uname -m' may report 'Power Macintosh' instead of 'powerpc'
set(CMAKE_HOST_SYSTEM_PROCESSOR "powerpc")
endif()
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
exec_program(arch ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
else()
exec_program(${CMAKE_UNAME} ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
if("${val}" GREATER 0)
exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
endif()
endif()
# check the return of the last uname -m or -p
if("${val}" GREATER 0)
set(CMAKE_HOST_SYSTEM_PROCESSOR "unknown")
endif()
set(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command")
# processor may have double quote in the name, and that needs to be removed
string(REPLACE "\"" "" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
string(REPLACE "/" "_" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
endif()
else()
if(CMAKE_HOST_WIN32)
if (DEFINED ENV{PROCESSOR_ARCHITEW6432})
set (CMAKE_HOST_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITEW6432}")
else()
set (CMAKE_HOST_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITECTURE}")
endif()
endif()
endif()
# if a toolchain file is used, the user wants to cross compile.
# in this case read the toolchain file and keep the CMAKE_HOST_SYSTEM_*
# variables around so they can be used in CMakeLists.txt.
# In all other cases, the host and target platform are the same.
if(CMAKE_TOOLCHAIN_FILE)
# at first try to load it as path relative to the directory from which cmake has been run
include("${CMAKE_BINARY_DIR}/${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
if(NOT _INCLUDED_TOOLCHAIN_FILE)
# if the file isn't found there, check the default locations
include("${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
endif()
if(_INCLUDED_TOOLCHAIN_FILE)
set(CMAKE_TOOLCHAIN_FILE "${_INCLUDED_TOOLCHAIN_FILE}" CACHE FILEPATH "The CMake toolchain file" FORCE)
else()
message(FATAL_ERROR "Could not find toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
endif()
endif()
# if CMAKE_SYSTEM_NAME is here already set, either it comes from a toolchain file
# or it was set via -DCMAKE_SYSTEM_NAME=...
# if that's the case, assume we are crosscompiling
if(CMAKE_SYSTEM_NAME)
if(NOT DEFINED CMAKE_CROSSCOMPILING)
set(CMAKE_CROSSCOMPILING TRUE)
endif()
set(PRESET_CMAKE_SYSTEM_NAME TRUE)
elseif(CMAKE_VS_WINCE_VERSION)
set(CMAKE_SYSTEM_NAME "WindowsCE")
set(CMAKE_SYSTEM_VERSION "${CMAKE_VS_WINCE_VERSION}")
set(CMAKE_SYSTEM_PROCESSOR "${MSVC_C_ARCHITECTURE_ID}")
set(CMAKE_CROSSCOMPILING TRUE)
set(PRESET_CMAKE_SYSTEM_NAME TRUE)
else()
set(CMAKE_SYSTEM_NAME "${CMAKE_HOST_SYSTEM_NAME}")
if(NOT DEFINED CMAKE_SYSTEM_VERSION)
set(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
endif()
set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
set(CMAKE_CROSSCOMPILING FALSE)
set(PRESET_CMAKE_SYSTEM_NAME FALSE)
endif()
include(Platform/${CMAKE_SYSTEM_NAME}-Determine OPTIONAL)
set(CMAKE_SYSTEM ${CMAKE_SYSTEM_NAME})
if(CMAKE_SYSTEM_VERSION)
string(APPEND CMAKE_SYSTEM -${CMAKE_SYSTEM_VERSION})
endif()
set(CMAKE_HOST_SYSTEM ${CMAKE_HOST_SYSTEM_NAME})
if(CMAKE_HOST_SYSTEM_VERSION)
string(APPEND CMAKE_HOST_SYSTEM -${CMAKE_HOST_SYSTEM_VERSION})
endif()
# this file is also executed from cpack, then we don't need to generate these files
# in this case there is no CMAKE_BINARY_DIR
if(CMAKE_BINARY_DIR)
# write entry to the log file
if(PRESET_CMAKE_SYSTEM_NAME)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"The target system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"The host system is: ${CMAKE_HOST_SYSTEM_NAME} - ${CMAKE_HOST_SYSTEM_VERSION} - ${CMAKE_HOST_SYSTEM_PROCESSOR}\n")
else()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"The system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
endif()
# if a toolchain file is used, it needs to be included in the configured file,
# so settings done there are also available if they don't go in the cache and in try_compile()
set(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED)
if(CMAKE_TOOLCHAIN_FILE)
set(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED "include(\"${CMAKE_TOOLCHAIN_FILE}\")")
endif()
# configure variables set in this file for fast reload, the template file is defined at the top of this file
configure_file(${CMAKE_ROOT}/Modules/CMakeSystem.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeSystem.cmake
@ONLY)
endif()
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