Each time I install a new version of the SDK I lose the previous one. I want to use the new SDK, but I need to build using the oldest one. Is there any method to keep the installed SDk when installing a new one?
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possible duplicate of [Can I have multiple XCode versions installed?](http://stackoverflow.com/questions/669367/can-i-have-multiple-xcode-versions-installed) – ceejayoz Feb 18 '11 at 15:27
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The recommended approach is to set the base SDK to the latest one but change the deployment target to the version you want to support.
diederikh
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You can have multiple versions simultaneously. Just give a different path while installing. But I had problems while having both versions together. The main problem I noticed was in the code sense of the latest version.
Peter Mortensen
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Govind
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Officially, you’ll have to follow @Govind’s advice on installing each Xcode version to a separate path. Unofficially, you can extract the SDK from the installer using a tool like Pacifist and keep it around. This is, of course, unsupported and undocumented.
Jeff Kelley
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