Universal and binary builds (was: Re: Is isysroot useful for non-universal?)

[Ryan Schmidt]

On Mar 23, 2009, at 22:25, Jeremy Huddleston wrote:

> On Mar 23, 2009, at 18:43, Ryan Schmidt wrote:
>
>>> Since rosetta doesn't handle ppc64, we can't narrow this down to  
>>> a single x86_64 box.
>>
>> We can't narrow it down to a single Intel Mac per OS anyway  
>> because one of the problems is that some software doesn't cross- 
>> compile correctly. The point is to eliminate the need for cross- 
>> compiling by compiling natively on each type of Mac.
>
> Right, but with rosetta, you *should* (I haven't tried it) be able  
> to setup a ppc chroot and within that chroot it'll look and feel  
> like ppc as far as your build train is concerned (thus it's not  
> "cross" compiling specifically).  But still, the lack of ppc64  
> support within rosetta is probably the bigger issue (atleast in my  
> mind)

Ah, well that would be somewhat entertaining, but unless Rosetta is  
going to grow ppc64 emulation soon, I don't think we need to expend  
any energy implementing that.