Error: Unable to determine location of a macOS SDK.

[Joshua Root]

On 2018-10-7 11:04 , Ken Cunningham wrote:
> Error: Unable to execute port: can't read "configure.sdkroot": Unable to
> determine location of a macOS SDK.
> 
> 
> 
> 
> This is happening because the command line tools aren’t installed, and
> there is no installed SDK that is named MacOSX10.13.sdk:

This is one of the reasons our installation instructions say to install
both Xcode and the Command Line Tools. But see also
<https://trac.macports.org/ticket/57143>.

- Josh