On Aug 7, 2008, at 7:07 PM, Peter N Lewis wrote:
At 8:24 AM -0700 7/8/08, Chris Hanson wrote:
If you build with the Mac OS X 10.5 SDK, you should be able to use
NSMakeCollectable since it's declared as an inline function.
The earliest release of Mac OS X you're targeting is a function of
the Mac OS X Deployment Target build setting, not the SDK.
That's true, but its not safe to do so.
For example, that will allow kCGBlendModeCopy to be used, even
though its not available in 10.4.
It is as safe as it ever was. You just need to put in checks for what
OS you're running on around places you use functionality from the
newer release(s).
Where it gets complex is trying to message or (even more so) subclass
new 10.5 classes in code that also needs to run on 10.4.
-- Chris
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