mirror of
https://github.com/reactos/CMake.git
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0bfabf967f
On OpenBSD 'uname -p' returns a long descriptive name for the processor. Use 'arch -s' instead to get a short cpu name. Suggested-by: Stuart Henderson
177 lines
7.6 KiB
CMake
177 lines
7.6 KiB
CMake
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#=============================================================================
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# Copyright 2002-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# This module is used by the Makefile generator to determin the following variables:
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# CMAKE_SYSTEM_NAME - on unix this is uname -s, for windows it is Windows
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# CMAKE_SYSTEM_VERSION - on unix this is uname -r, for windows it is empty
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# CMAKE_SYSTEM - ${CMAKE_SYSTEM}-${CMAKE_SYSTEM_VERSION}, for windows: ${CMAKE_SYSTEM}
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#
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# Expected uname -s output:
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#
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# AIX AIX
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# BSD/OS BSD/OS
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# FreeBSD FreeBSD
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# HP-UX HP-UX
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# IRIX IRIX
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# Linux Linux
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# GNU/kFreeBSD GNU/kFreeBSD
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# NetBSD NetBSD
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# OpenBSD OpenBSD
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# OFS/1 (Digital Unix) OSF1
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# SCO OpenServer 5 SCO_SV
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# SCO UnixWare 7 UnixWare
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# SCO UnixWare (pre release 7) UNIX_SV
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# SCO XENIX Xenix
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# Solaris SunOS
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# SunOS SunOS
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# Tru64 Tru64
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# Ultrix ULTRIX
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# cygwin CYGWIN_NT-5.1
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# MacOSX Darwin
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# find out on which system cmake runs
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IF(CMAKE_HOST_UNIX)
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FIND_PROGRAM(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin )
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IF(CMAKE_UNAME)
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EXEC_PROGRAM(uname ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_NAME)
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EXEC_PROGRAM(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
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IF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
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EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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ELSEIF(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
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EXEC_PROGRAM(arch ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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ELSE()
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EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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IF("${val}" GREATER 0)
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EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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ENDIF("${val}" GREATER 0)
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ENDIF()
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# check the return of the last uname -m or -p
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IF("${val}" GREATER 0)
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SET(CMAKE_HOST_SYSTEM_PROCESSOR "unknown")
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ENDIF("${val}" GREATER 0)
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SET(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command")
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# processor may have double quote in the name, and that needs to be removed
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STRING(REGEX REPLACE "\"" "" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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STRING(REGEX REPLACE "/" "_" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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ENDIF(CMAKE_UNAME)
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ELSE(CMAKE_HOST_UNIX)
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IF(CMAKE_HOST_WIN32)
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SET (CMAKE_HOST_SYSTEM_NAME "Windows")
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SET (CMAKE_HOST_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITECTURE}")
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ENDIF(CMAKE_HOST_WIN32)
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ENDIF(CMAKE_HOST_UNIX)
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# if a toolchain file is used, the user wants to cross compile.
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# in this case read the toolchain file and keep the CMAKE_HOST_SYSTEM_*
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# variables around so they can be used in CMakeLists.txt.
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# In all other cases, the host and target platform are the same.
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IF(CMAKE_TOOLCHAIN_FILE)
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# at first try to load it as path relative to the directory from which cmake has been run
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INCLUDE("${CMAKE_BINARY_DIR}/${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
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IF(NOT _INCLUDED_TOOLCHAIN_FILE)
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# if the file isn't found there, check the default locations
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INCLUDE("${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
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ENDIF(NOT _INCLUDED_TOOLCHAIN_FILE)
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IF(_INCLUDED_TOOLCHAIN_FILE)
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SET(CMAKE_TOOLCHAIN_FILE "${_INCLUDED_TOOLCHAIN_FILE}" CACHE FILEPATH "The CMake toolchain file" FORCE)
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ELSE(_INCLUDED_TOOLCHAIN_FILE)
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MESSAGE(FATAL_ERROR "Could not find toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
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SET(CMAKE_TOOLCHAIN_FILE "NOTFOUND" CACHE FILEPATH "The CMake toolchain file" FORCE)
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ENDIF(_INCLUDED_TOOLCHAIN_FILE)
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ENDIF(CMAKE_TOOLCHAIN_FILE)
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# if CMAKE_SYSTEM_NAME is here already set, either it comes from a toolchain file
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# or it was set via -DCMAKE_SYSTEM_NAME=...
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# if that's the case, assume we are crosscompiling
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IF(CMAKE_SYSTEM_NAME)
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IF(NOT DEFINED CMAKE_CROSSCOMPILING)
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SET(CMAKE_CROSSCOMPILING TRUE)
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ENDIF(NOT DEFINED CMAKE_CROSSCOMPILING)
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SET(PRESET_CMAKE_SYSTEM_NAME TRUE)
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ELSE(CMAKE_SYSTEM_NAME)
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SET(CMAKE_SYSTEM_NAME "${CMAKE_HOST_SYSTEM_NAME}")
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SET(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
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SET(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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SET(CMAKE_CROSSCOMPILING FALSE)
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SET(PRESET_CMAKE_SYSTEM_NAME FALSE)
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ENDIF(CMAKE_SYSTEM_NAME)
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MACRO(ADJUST_CMAKE_SYSTEM_VARIABLES _PREFIX)
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IF(NOT ${_PREFIX}_NAME)
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SET(${_PREFIX}_NAME "UnknownOS")
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ENDIF(NOT ${_PREFIX}_NAME)
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# fix for BSD/OS , remove the /
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IF(${_PREFIX}_NAME MATCHES BSD.OS)
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SET(${_PREFIX}_NAME BSDOS)
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ENDIF(${_PREFIX}_NAME MATCHES BSD.OS)
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# fix for GNU/kFreeBSD, remove the GNU/
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IF(${_PREFIX}_NAME MATCHES kFreeBSD)
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SET(${_PREFIX}_NAME kFreeBSD)
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ENDIF(${_PREFIX}_NAME MATCHES kFreeBSD)
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# fix for CYGWIN which has windows version in it
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IF(${_PREFIX}_NAME MATCHES CYGWIN)
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SET(${_PREFIX}_NAME CYGWIN)
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ENDIF(${_PREFIX}_NAME MATCHES CYGWIN)
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# set CMAKE_SYSTEM to the CMAKE_SYSTEM_NAME
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SET(${_PREFIX} ${${_PREFIX}_NAME})
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# if there is a CMAKE_SYSTEM_VERSION then add a -${CMAKE_SYSTEM_VERSION}
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IF(${_PREFIX}_VERSION)
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SET(${_PREFIX} ${${_PREFIX}}-${${_PREFIX}_VERSION})
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ENDIF(${_PREFIX}_VERSION)
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ENDMACRO(ADJUST_CMAKE_SYSTEM_VARIABLES _PREFIX)
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ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_SYSTEM)
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ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_HOST_SYSTEM)
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# this file is also executed from cpack, then we don't need to generate these files
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# in this case there is no CMAKE_BINARY_DIR
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IF(CMAKE_BINARY_DIR)
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# write entry to the log file
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IF(PRESET_CMAKE_SYSTEM_NAME)
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The target system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The host system is: ${CMAKE_HOST_SYSTEM_NAME} - ${CMAKE_HOST_SYSTEM_VERSION} - ${CMAKE_HOST_SYSTEM_PROCESSOR}\n")
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ELSE(PRESET_CMAKE_SYSTEM_NAME)
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
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ENDIF(PRESET_CMAKE_SYSTEM_NAME)
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# if a toolchain file is used, it needs to be included in the configured file,
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# so settings done there are also available if they don't go in the cache and in TRY_COMPILE()
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SET(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED)
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IF(DEFINED CMAKE_TOOLCHAIN_FILE)
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SET(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED "INCLUDE(\"${CMAKE_TOOLCHAIN_FILE}\")")
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ENDIF(DEFINED CMAKE_TOOLCHAIN_FILE)
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# configure variables set in this file for fast reload, the template file is defined at the top of this file
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CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeSystem.cmake.in
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeSystem.cmake
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IMMEDIATE @ONLY)
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ENDIF(CMAKE_BINARY_DIR)
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