Re: have Leopard functionality and still run on Tiger

FROM : Shawn Erickson
DATE : Sat Oct 27 21:40:49 2007

On 10/27/07, Mitchell Livingston <<email_removed>> wrote:
> Hey,
>
> I want my application to be able to run on Tiger and greater, but I
> also want it to have additional Leopard functionality when running on
> 10.5. I have been able to execute certain functions with
> +respondsToSelector:, but new constants and such cannot be used. I
> tried changing the sdk to 10.5 and it did compile, but it won't run at
> all on 10.4. I'm sure there is a way to get this working, but I cannot
> find it in the documentation.


The SDK setting defines the API set that will be available to your
application. The deployment target defines the minimum version of the
operating system the application should run on.

<http://developer.apple.com/documentation/DeveloperTools/Conceptual/cross_development/index.html?http://developer.apple.com/documentation/DeveloperTools/Conceptual/cross_development/Introduction/chapter_1_section_1.html#//apple_ref/doc/uid/10000163-BCICHGIE>

-Shawn