The Xcode project for V8 has been retired. If an Xcode projectis needed for building on a Mac there is the option of using GYP togenerate it. Please look in the build directory in the root of theV8 project. It contains the required infrastructure and a README.txtfile explaining how to get started.Generating Xcode projects using GYP is how the Chromiumproject integrated V8 into the Mac build.The main build system for V8 is still SCons, seehttp://code.google.com/apis/v8/build.html for details.