port diagnose fails on 10.6.8

[Ryan Schmidt]

> On Mar 21, 2017, at 02:56, Jan Stary <hans at stare.cz> wrote:
> 
> This is MacPorts 2.4.1 on a mac mini running 10.6.8.
> 'port diagnose fails like this:
> 
> Error: process_cmd failed:
> Usage: xcode-select -print-path
>   or: xcode-select -switch <xcode_folder_path>
>   or: xcode-select -version
>      Arguments:
>    -print-path                     Prints the path of the current Xcode folder
>    -switch <xcode_folder_path>     Sets the path for the current Xcode folder
>    -version                        Prints xcode-select version information
> child process exited abnormally
> 
> I am using XCode 3.2.6, the latest available fo 10.6.8.
> Apparently, the xcode-select call has changed somehow.

Yes. Please file a bug report.