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To configure your Mac, make sure you have at least version 10.7 installed. Install the latest version of Xcode and that you have the developer tools installed. You can install them by using the menus within Xcode: XCode -> Preferences -> Downloads -> Components. Install the latest JDK 8 build. At present that should be sufficient, but when WebKit is open sourced you will also need to install QT (because WebKit uses QTMake and some other such tools).
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Once you have installed these packages, make sure you also have the latest JDK 8 build installed on your system.
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