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AIX: Properly detect host system version

Browse Source 
CMakeDetermineSystem.cmake uses "uname -r" to get
CMAKE_HOST_SYSTEM_VERSION on AIX. AIX uses "uname -v" for the
major version and "uname -r" for the minor version.

Thanks to Chris Taylor for the suggested patch.

Closes #10749
This commit is contained in:
Gregor Jasny 2017-03-29 21:14:36 +02:00
parent 6a5a214f43
commit 01a8a201a7
1 changed files with 9 additions and 1 deletions
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10
Modules/CMakeDetermineSystem.cmake
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@ -35,7 +35,15 @@
if(CMAKE_HOST_UNIX)
find_program(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin )
if(CMAKE_UNAME)
exec_program(${CMAKE_UNAME} ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "AIX")
exec_program(${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$")
exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
RETURN_VALUE val)