On Oct 22, 2013, at 7:33 PM, Gary Little <[email protected]> wrote:

> I’ve been installing command line tools from Xcode preferences since I first 
> installed Xcode. Checking Preferences and its downloads has always been one 
> of the first things I do. However, with Mavericks GM and Xcode 5.0.1 GM, 
> command line tools disappeared from preferences. It was while reading the 
> seed nots that I found xcode-select.

The complete description iis n the Xcode 5.0.1 Release notes:
https://developer.apple.com/library/mac/releasenotes/DeveloperTools/RN-Xcode/

Command Line Tools
        • Command line shims are included with OS X Mavericks. If Xcode is 
installed, the shims use the tools within Xcode. Otherwise, the tools delivered 
in the Command Line Developer Tools package are used. The Command Line 
Developer Tools package can be installed on demand using xcode-select --install 
or by trying to use any command line developer tool in Terminal.
On OS X Mavericks, Command Line Developer Tools are updated using Software 
Update. On OS X Mountain Lion, continue to use the Downloads preferences in 
Xcode to update the Command Line Developer Tools.

On OS X Mavericks, xcode-select provides the --reset flag to revert to using 
the default search paths.

The Command Line Developer tools package has been updated to include xcrun. 
xcrun adds support for the following:

                • The --show-sdk-path option queries SDK paths
                • Improved xcrun performance
                • More robust support for the DEVELOPER_DIR environment variable
Set DEVELOPER_DIR to either a copy of Xcode or /Library/Developer 
CommandLineTools when Command Line Tools for OS X Mavericks is installed

                • xcrun passes the SDK provided to subcommands in the SDKROOT 
environment variable when used with --sdk. 15190491




T.T.F.N.
William H. Magill
# iMac11,3 Core i7 [2.93GHz - 8 GB 1067MHz] OS X 10.0
# MacBook Pro4.1 Core 2 Duo [2.5GHz - 4GB 667] OS X 10.6.8
# Macmini6,1 Intel Core i5 [2.5 Ghz - 4GB 1600MHz] OS X 10.8.3

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