[darwinbuild-dev] Project Version Numbers

Kevin Van Vechten kvv at apple.com
Wed Jan 9 17:10:20 PST 2008

On Jan 9, 2008, at 4:14 PM, Michael Franz wrote:

> Does darwinbuild do FAT/universal builds?


> If so, I should be able to build every verion on my MacBook.   
> However, I have found that I
> cannot.

Not necessarily.  Just because something compiles for a given  
architecture doesn't mean that it works for that architecture. =)

> This number scheme starts with darwin 8.4 and then stops with 9.0?  I
> will confirm, but it is darwin 8.0 - 8.3 that I am having problems
> building on my MacBook.

8.0 - 8.3 were only released as PPC in binary form.  Even though  
they're built with the i386 architecture, the ABI is different from  
what finally shipped on the MacBook, and the i386 half of the sources  
were essentially thrown away.  In fact, none of the PPC build lineage  
for 8.x are expected to work on an Intel machine.

- Kevin

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