Note that not only does Xcode 4 require an Intel Mac (10.6.6 or above), it also removes the availability for developing PPC applications or kernel extensions.

注意，X code 4不仅需要Intel Mac(10.6.6 +)，它还移除了用于开发PPC应用和内核扩展的组件。

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NOTE: You will need an Intel CPU for this binary, it will not work with PPC CPUs!

注意：您将需要二进制的英特尔处理器，它将无法工作和PPC的CPU ！

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