That comment does not make it at all clear what those of us who updated to 
Xcode 8 (but not beta!) but are still on OS X 10.11 are supposed to do. 
I have posted a ticket about building cmake that seems to be because it is 
trying to use 10.12 SDK, but it is not clear how to work around that.
Perhaps the answer is to downgrade to Xcode 7, and stay away from 8?  (It is a 
big download!)
Or, it might be that just the 10.11 command line tools is enough?


> On Sep 21, 2016, at 2:44 PM, Lawrence Velázquez <> wrote:
> Jack Howarth has noted on IRC that that Apple will not be releasing
> a Command Line Tools package for Xcode 8 on El Capitan [*].
>       There is no Command Line Tools (OS X 10.11) for Xcode
>       8 package. Xcode 8 contains SDKs that are incompatible
>       with earlier toolchains. Developers who want to make use
>       of the Xcode 8 SDKs from the command line must choose
>       the SDK with xcode-select. Developers on OS X El Capitan
>       who have installed versions of the Command Line Tools
>       (OS X 10.11) for Xcode 8 Beta should install Command
>       Line Tools (OS X 10.11) for Xcode 7.3.1. (28234439)
> Do we need to adjust our installation instructions to account for this?
> The consequences of mixing the Xcode 7 CLT with Xcode 8 are not clear to
> me; maybe it's not a problem at all.
> [*]: 
> vq
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