Re: Which Frameworks? /Developer/SDK 10.4/System/Library/Frameworks vs System/Library/Frameworks
Re: Which Frameworks? /Developer/SDK 10.4/System/Library/Frameworks vs System/Library/Frameworks
- Subject: Re: Which Frameworks? /Developer/SDK 10.4/System/Library/Frameworks vs System/Library/Frameworks
- From: Chris Hanson <email@hidden>
- Date: Sun, 24 Jul 2005 15:01:40 -0700
On Jul 24, 2005, at 2:27 PM, Frederick C. Lee wrote:
Question: Does the de facto system ALREADY contain the frameworks
listed within the SDK (in which case I can remove the SDK's copy)?
There's no sense to have two sets of frameworks.
Actually, it's quite important to have a distinct set of frameworks
in an SDK separate from the system frameworks: The set of frameworks
in the SDK is frozen in time.
If you're building an application for a particular system version,
you should be using an SDK to do so rather than just building against
whatever your current operating system is. You should also set your
Mac OS X Deployment Target setting in Xcode to the earliest version
of Mac OS X on which you plan to run, so your executable is properly
weak-linked.
For example, let's say you're building an application to run on both
Panther and Tiger. It's going to take advantage of some Tiger
features on Tiger, but it needs to run on Panther. So you build
against the Mac OS X 10.4 SDK, which lets you use Tiger features when
running on Tiger, and specify a deployment target of Mac OS X 10.3,
which lets your application run on Panther too.
-- Chris
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