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Re: 64-bit => Objc 2.0????
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Re: 64-bit => Objc 2.0????


  • Subject: Re: 64-bit => Objc 2.0????
  • From: Jean-Daniel Dupas <email@hidden>
  • Date: Mon, 25 Aug 2008 15:42:32 +0200


Le 25 août 08 à 15:18, Stéphane Sudre a écrit :

Probably a stupid question but I don't see anything in the objc headers or in some old slides corroborating this.

When you build a project for a 64-bit architecture (such as x86_64), does this imply the Objective-C version for this architecture is going to be 2.0?


Yes, it is. The 64 bits runtime is a whole new runtime wrote for Leopard, and it supports all the Obj-C 2 features and bring some other improvments that are not possible in the 32 bits runtime without breaking binary compatibility with previous version (like obj-c exceptions compatible with C++ exceptions in obj-c++).




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References: 
 >64-bit => Objc 2.0???? (From: Stéphane Sudre <email@hidden>)

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