How to update Xcode to install "UNIX Development Support"?

How to update Xcode to install "UNIX Development Support"?

xcode macos unix xcode3.2

unix

Cocoapods - Unable to find a Specification for [Github framework]

ios xcode unix cocoapods

unix

Xcode Build Script (Build Phases->Run Script) Increment Build Version based on Username(User)

ios xcode bash unix build

unix

Read preprocessor macro in Xcode build script?

xcode macos unix build

unix

Run Xcode tools from the Terminal window

xcode unix command-line terminal

unix

how can I verify that dead code was stripped from the binary?

xcode linux macos unix

unix

Trying to Automatically Increase Build Number xCode (Unix Script)

ios xcode bash unix

unix

xcconfig file -- set a variable value with a leading space?

xcode unix xcconfig

unix

Developing for iphone under unix

iphone xcode unix ubuntu

unix

search for all string literals in an xcode project using the command line

xcode bash unix grep

unix