[CMake] CMAKE_OSX_SYSROOT being ignored?

[Kenneth Riddile]

Hi,
I'm using CMake 2.6.4 to generate xcode projects for iphone apps.  I have nearly everything working, except that my specified setting for CMAKE_OSX_SYSROOT is being ignored in favor of the "Current OS" setting.  I am specifying it like this:
set(CMAKE_OSX_ROOT iphoneos2.1)
from looking at this post:
http://stackoverflow.com/questions/822404/how-to-set-up-cmake-to-build-an-app-for-the-iphone
Once my projects are generated, I simply have to change the SDK root in xcode to have it use the iphone SDK, but I'd like to get CMake to use the SDK I'm telling it to use.
Thanks,Kenny Riddile
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