[opensource-dev] Review Request: Add experimental support for building with Xcode 4.2 on Mac OS X Lion

[Stone Linden]

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http://codereview.secondlife.com/r/502/
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Review request for Viewer.


Summary
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Check the version of Xcode installed, and use that to set appropriate Mac OS X SDK and compiler versions.

Supports Xcode 3.2.x with Mac OS X SDK 10.5 with identical parameters as the code it replaces.
Adds parameters for Xcode 4.2 with Mac OS X 10.6 SDK.

Explicitly rejects with a message Xcode less than 3.2, and both 4.0 and 4.1.

Removes options for PPC builds, which we don't use, don't support, and don't work anyhow.


Diffs
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  indra/cmake/Variables.cmake c42575f2cde8 

Diff: http://codereview.secondlife.com/r/502/diff


Testing
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Builds On My Machine (TM).


Thanks,

Stone

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