Re: 64-bit, 10.5/10.4, SDK build settings
Re: 64-bit, 10.5/10.4, SDK build settings
- Subject: Re: 64-bit, 10.5/10.4, SDK build settings
- From: Clark Cox <email@hidden>
- Date: Tue, 2 Jun 2009 14:55:05 -0700
On Tue, Jun 2, 2009 at 2:24 PM, Alex Sheh <email@hidden> wrote:
> Thank you for the detailed responses, Shawn. Thanks, Clark, I just saw your email, and your explanation is also very clear.
>
> So my understanding is, if I build a 64-bit Objective-C application, then it can only run on 10.5 or later (since there is no 64-bit Objective-C runtime on 10.4). And if I want an Objective-C application to run on 10.4, then it must be compiled as 32-bit.
>
> This would mean that I need to ship 2 versions of the software, an installer containing the 32-bit version of the Objective-C application to run on 10.4 (Tiger), and another installer containing the 64-bit version of the Objective-C application to run on 10.5 (Leopard) or later.
>
> I can't think of any way to use universal binaries to avoid shipping 2 different installers.
You're over-thinking things.
The settings I (and others) have given you accomplish exactly this. A
fat binary that will run 64-bit on Leopard and will run 32-bit on both
Tiger and Leopard.
--
Clark S. Cox III
email@hidden
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| References: | |
| | >64-bit, 10.5/10.4, SDK build settings (From: Alex Sheh <email@hidden>) |
| | >Re: 64-bit, 10.5/10.4, SDK build settings (From: Ken Thomases <email@hidden>) |
| | >RE: 64-bit, 10.5/10.4, SDK build settings (From: Alex Sheh <email@hidden>) |
| | >Re: 64-bit, 10.5/10.4, SDK build settings (From: Shawn Erickson <email@hidden>) |
| | >Re: 64-bit, 10.5/10.4, SDK build settings (From: Shawn Erickson <email@hidden>) |
| | >RE: 64-bit, 10.5/10.4, SDK build settings (From: Alex Sheh <email@hidden>) |
| | >Re: 64-bit, 10.5/10.4, SDK build settings (From: Shawn Erickson <email@hidden>) |
| | >RE: 64-bit, 10.5/10.4, SDK build settings (From: Alex Sheh <email@hidden>) |