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OS X: Simplify selection of CMAKE_OSX_ARCHITECTURES 

Incremental changes to the logic over time have led to simply
initializing the cache entry with the environment value.
This commit is contained in:
Brad King 2012-09-21 14:13:06 -04:00
parent 1786b121b4
commit 7995722e91
1 changed files with 4 additions and 23 deletions
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27
Modules/Platform/Darwin.cmake
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@ -77,6 +77,10 @@ execute_process(COMMAND sw_vers -productVersion
OUTPUT_VARIABLE CURRENT_OSX_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Save CMAKE_OSX_ARCHITECTURES from the environment.
set(CMAKE_OSX_ARCHITECTURES "$ENV{CMAKE_OSX_ARCHITECTURES}" CACHE STRING
"Build architectures for OSX")
#----------------------------------------------------------------------------
# _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ...
#
@ -183,29 +187,6 @@ endfunction()
# Make sure the combination of SDK and Deployment Target are allowed
SanityCheckSDKAndDeployTarget("${CMAKE_OSX_SYSROOT}" "${CMAKE_OSX_DEPLOYMENT_TARGET}")
# set _CMAKE_OSX_MACHINE to uname -m
execute_process(COMMAND uname -m
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE _CMAKE_OSX_MACHINE)
# check for Power PC and change to ppc
if(_CMAKE_OSX_MACHINE MATCHES "Power")
set(_CMAKE_OSX_MACHINE ppc)
endif()
# check for environment variable CMAKE_OSX_ARCHITECTURES
# if it is set.
if(NOT "$ENV{CMAKE_OSX_ARCHITECTURES}" STREQUAL "")
set(CMAKE_OSX_ARCHITECTURES_VALUE "$ENV{CMAKE_OSX_ARCHITECTURES}")
else()
set(CMAKE_OSX_ARCHITECTURES_VALUE "")
endif()
# now put _CMAKE_OSX_MACHINE into the cache
set(CMAKE_OSX_ARCHITECTURES ${CMAKE_OSX_ARCHITECTURES_VALUE} CACHE STRING
"Build architectures for OSX")
if("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
"${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")