| # 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: ${CMAKE_SYSTEM} |
| # |
| # Expected uname -s output: |
| # |
| # AIX AIX |
| # BSD/OS BSD/OS |
| # FreeBSD FreeBSD |
| # HP-UX HP-UX |
| # Linux Linux |
| # GNU/kFreeBSD GNU/kFreeBSD |
| # NetBSD NetBSD |
| # OpenBSD OpenBSD |
| # OFS/1 (Digital Unix) OSF1 |
| # SCO OpenServer 5 SCO_SV |
| # SCO UnixWare 7 UnixWare |
| # SCO UnixWare (pre release 7) UNIX_SV |
| # SCO XENIX Xenix |
| # Solaris SunOS |
| # SunOS SunOS |
| # Tru64 Tru64 |
| # Ultrix ULTRIX |
| # cygwin CYGWIN_NT-5.1 |
| # MacOSX Darwin |
| |
| |
| # find out on which system cmake runs |
| if(CMAKE_HOST_UNIX) |
| find_program(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin ) |
| if(CMAKE_UNAME) |
| if(CMAKE_HOST_SYSTEM_NAME STREQUAL "AIX") |
| exec_program(${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.*|Darwin|^GNU$|Android") |
| exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR |
| RETURN_VALUE val) |
| if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin") |
| if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64") |
| # Check whether we are running under Rosetta on arm64 hardware. |
| execute_process(COMMAND sysctl -q hw.optional.arm64 |
| OUTPUT_VARIABLE _sysctl_stdout |
| ERROR_VARIABLE _sysctl_stderr |
| RESULT_VARIABLE _sysctl_result |
| ) |
| if(_sysctl_result EQUAL 0 AND _sysctl_stdout MATCHES "hw.optional.arm64: 1") |
| set(CMAKE_HOST_SYSTEM_PROCESSOR "arm64") |
| endif() |
| elseif(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() |
| 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: ${CMAKE_TOOLCHAIN_FILE}") |
| set(CMAKE_TOOLCHAIN_FILE "NOTFOUND" CACHE FILEPATH "The CMake toolchain file" FORCE) |
| endif() |
| endif() |
| |
| |
| # if CMAKE_SYSTEM_NAME is here already set, either it comes from a toolchain file |
| # or it was set via -DCMAKE_SYSTEM_NAME=... |
| # if that's the case, assume we are crosscompiling |
| if(CMAKE_SYSTEM_NAME) |
| if(NOT DEFINED CMAKE_CROSSCOMPILING) |
| set(CMAKE_CROSSCOMPILING TRUE) |
| endif() |
| set(PRESET_CMAKE_SYSTEM_NAME TRUE) |
| elseif(CMAKE_VS_WINCE_VERSION) |
| set(CMAKE_SYSTEM_NAME "WindowsCE") |
| set(CMAKE_SYSTEM_VERSION "${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) |
| |
| macro(ADJUST_CMAKE_SYSTEM_VARIABLES _PREFIX) |
| if(NOT ${_PREFIX}_NAME) |
| set(${_PREFIX}_NAME "UnknownOS") |
| endif() |
| |
| # fix for BSD/OS , remove the / |
| if(${_PREFIX}_NAME MATCHES BSD.OS) |
| set(${_PREFIX}_NAME BSDOS) |
| endif() |
| |
| # fix for GNU/kFreeBSD, remove the GNU/ |
| if(${_PREFIX}_NAME MATCHES kFreeBSD) |
| set(${_PREFIX}_NAME kFreeBSD) |
| endif() |
| |
| # fix for CYGWIN which has windows version in it |
| if(${_PREFIX}_NAME MATCHES CYGWIN) |
| set(${_PREFIX}_NAME CYGWIN) |
| endif() |
| |
| # set CMAKE_SYSTEM to the CMAKE_SYSTEM_NAME |
| set(${_PREFIX} ${${_PREFIX}_NAME}) |
| # if there is a CMAKE_SYSTEM_VERSION then add a -${CMAKE_SYSTEM_VERSION} |
| if(${_PREFIX}_VERSION) |
| set(${_PREFIX} ${${_PREFIX}}-${${_PREFIX}_VERSION}) |
| endif() |
| |
| endmacro() |
| |
| ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_SYSTEM) |
| ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_HOST_SYSTEM) |
| |
| # 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() |