CLI Tool Problem

Joshua Root jmr at
Thu Dec 10 15:10:46 UTC 2020

Tom wrote:
> I get the following Error Message, although Xcode 12 and the CLI Tools are installed:
>>> Warning: The macOS 11.0 SDK does not appear to be installed. Ports may not build correctly.
>>> Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install’.
> What could be the Problem?

If the CLTs are installed then they must be outdated. If Software Update
won't update them, see

- Josh

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