Re: 10.6 SDK for Xcode 4.4?
Re: 10.6 SDK for Xcode 4.4?
- Subject: Re: 10.6 SDK for Xcode 4.4?
- From: email@hidden
- Date: Wed, 25 Jul 2012 22:39:17 +0000
- Importance: Normal
- Sensitivity: Normal
Hey, I'm with you for what it's worth. Apple released iOS 5.1 and that prevented developers on Snow Leopard from deploying to that device AND prevented you from reverting the iOS device to 5.0.1. Of course this happened right when I had a presentation for my CTO. Being forced off an OS (with no notification) after only 9 months really blows.
Working with Apple these days is really caveat emptor. It certainly does not instill the joy that using Macs did when OS X matured and before the fluff of Lion.
There is little joy here when all Apple wants to do is push out the latest upgrade and push us into the sandboxed world of animated everything.
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: Jeff Johnson <email@hidden>
Sender: xcode-users-bounces+zav=email@hiddente: Wed, 25 Jul 2012 16:28:38
To: Xcode Users<email@hidden>
Subject: Re: 10.6 SDK for Xcode 4.4?
On Jul 25, 2012, at 3:40 PM, Chris Hanson wrote:
> On Jul 25, 2012, at 10:43 AM, Marc Respass <email@hidden> wrote:
>
>> I updated to Xcode 4.4 and lost the Mac OS X 10.6 SDK. I copied it from a backup of Xcode 4.3
>
> Modifying Xcode like this isn’t supported; you should virtually always set your Base SDK to the “Latest” option, and use the Deployment Target to specify the earliest operating system on which your code will run.
>
> -- Chris
This is the really frustrating thing. There is no supported way to use the same SDK to build on both OS X 10.6 and 10.8. Xcode 4.2 is the highest supported version on OS X 10.6, but it doesn't have the 10.7 SDK. Xcode 4.4 is the lowest supported version on OS X 10.8, but it doesn't have the 10.6 SDK.
We have apps that still support 10.6. Until today, when 10.8 became the latest released OS, we supported only the latest OS (10.7) and the previous version (10.6), which is a very common practice for developers. We will eventually drop 10.6 support, but it isn't going to happen overnight. We need a way to handle 10.6, 10.7, and 10.8 simultaneously, and Xcode fails us here. We can't truly support an app on an OS version without being able to build and debug the app on that OS, so deployment target is not sufficient. And using different SDKs on different OS versions is not a good option, because the shipping version of the app can only use one of the SDKs, and Apple's frameworks can behave very differently depending on the SDK you compile against.
-Jeff
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