diff options
Diffstat (limited to 'Modules/CMakeDetermineSystem.cmake')
| -rw-r--r-- | Modules/CMakeDetermineSystem.cmake | 79 |
1 files changed, 51 insertions, 28 deletions
diff --git a/Modules/CMakeDetermineSystem.cmake b/Modules/CMakeDetermineSystem.cmake index e7559e2..3ad4a60 100644 --- a/Modules/CMakeDetermineSystem.cmake +++ b/Modules/CMakeDetermineSystem.cmake @@ -25,37 +25,60 @@ # Ultrix ULTRIX # cygwin CYGWIN_NT-5.1 # MacOSX Darwin -IF(UNIX) - FIND_PROGRAM(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin ) - IF(CMAKE_UNAME) - EXEC_PROGRAM(uname ARGS -s OUTPUT_VARIABLE CMAKE_SYSTEM_NAME) - EXEC_PROGRAM(uname ARGS -r OUTPUT_VARIABLE CMAKE_SYSTEM_VERSION) - IF(CMAKE_SYSTEM_NAME MATCHES "Linux") - EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_SYSTEM_PROCESSOR - RETURN_VALUE val) - ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux") - EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_SYSTEM_PROCESSOR - RETURN_VALUE val) - IF("${val}" GREATER 0) + +IF(CMAKE_TOOLCHAIN_FILE) + # at first try to load it as path relative to the directory from which cmake has been run + INCLUDE("${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(NOT _INCLUDED_TOOLCHAIN_FILE) + + IF(_INCLUDED_TOOLCHAIN_FILE) + SET(CMAKE_TOOLCHAIN_FILE "${_INCLUDED_TOOLCHAIN_FILE}") + ELSE(_INCLUDED_TOOLCHAIN_FILE) + MESSAGE(FATAL_ERROR "Could not find toolchain file: ${CMAKE_TOOLCHAIN_FILE}") + ENDIF(_INCLUDED_TOOLCHAIN_FILE) + + IF(NOT DEFINED CMAKE_CROSSCOMPILING) + SET(CMAKE_CROSSCOMPILING TRUE) + ENDIF(NOT DEFINED CMAKE_CROSSCOMPILING) +ENDIF(CMAKE_TOOLCHAIN_FILE) + +IF(NOT CMAKE_SYSTEM_NAME) + IF(UNIX) + FIND_PROGRAM(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin ) + IF(CMAKE_UNAME) + EXEC_PROGRAM(uname ARGS -s OUTPUT_VARIABLE CMAKE_SYSTEM_NAME) + EXEC_PROGRAM(uname ARGS -r OUTPUT_VARIABLE CMAKE_SYSTEM_VERSION) + IF(CMAKE_SYSTEM_NAME MATCHES "Linux") EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_SYSTEM_PROCESSOR RETURN_VALUE val) + ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux") + EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_SYSTEM_PROCESSOR + RETURN_VALUE val) + IF("${val}" GREATER 0) + EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_SYSTEM_PROCESSOR + RETURN_VALUE val) + ENDIF("${val}" GREATER 0) + ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux") + # check the return of the last uname -m or -p + IF("${val}" GREATER 0) + SET(CMAKE_SYSTEM_PROCESSOR "unknown") ENDIF("${val}" GREATER 0) - ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux") - # check the return of the last uname -m or -p - IF("${val}" GREATER 0) - SET(CMAKE_SYSTEM_PROCESSOR "unknown") - ENDIF("${val}" GREATER 0) - SET(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command") - # processor may have double quote in the name, and that needs to be removed - STRING(REGEX REPLACE "\"" "" CMAKE_SYSTEM_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}") - STRING(REGEX REPLACE "/" "_" CMAKE_SYSTEM_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}") - ENDIF(CMAKE_UNAME) -ELSE(UNIX) - IF(WIN32) - SET (CMAKE_SYSTEM_NAME "Windows") - SET (CMAKE_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITECTURE}") - ENDIF(WIN32) -ENDIF(UNIX) + SET(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command") + # processor may have double quote in the name, and that needs to be removed + STRING(REGEX REPLACE "\"" "" CMAKE_SYSTEM_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}") + STRING(REGEX REPLACE "/" "_" CMAKE_SYSTEM_PROCESSOR "${CMAKE_SYSTEM_PROCESSOR}") + ENDIF(CMAKE_UNAME) + ELSE(UNIX) + IF(WIN32) + SET (CMAKE_SYSTEM_NAME "Windows") + SET (CMAKE_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITECTURE}") + ENDIF(WIN32) + ENDIF(UNIX) +ENDIF(NOT CMAKE_SYSTEM_NAME) + IF(NOT CMAKE_SYSTEM_NAME) SET(CMAKE_SYSTEM_NAME "UnknownOS") |