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Use 'uname -m' for processor on Cygwin (#10774)

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POSIX requires 'uname -m' but not 'uname -p':

  http://www.opengroup.org/onlinepubs/9699919799/utilities/uname.html

Indeed Cygwin 'uname -p' returns "unknown".
This commit is contained in:
Yaakov Selkowitz 2010-09-21 17:32:49 -04:00 committed by Brad King
parent 5970c0f947
commit 2412d9bc0e
1 changed files with 3 additions and 3 deletions
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6
Modules/CMakeDetermineSystem.cmake
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@ -47,17 +47,17 @@ IF(CMAKE_HOST_UNIX)
IF(CMAKE_UNAME)
EXEC_PROGRAM(uname ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_NAME)
EXEC_PROGRAM(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
IF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
IF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
ELSE(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
ELSE(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
EXEC_PROGRAM(uname ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
IF("${val}" GREATER 0)
EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)
ENDIF("${val}" GREATER 0)
ENDIF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
ENDIF(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*")
# check the return of the last uname -m or -p
IF("${val}" GREATER 0)
SET(CMAKE_HOST_SYSTEM_PROCESSOR "unknown")