Re: Xcode 3 project backward compatible with Tiger?
Re: Xcode 3 project backward compatible with Tiger?
- Subject: Re: Xcode 3 project backward compatible with Tiger?
- From: Rick Ballard <email@hidden>
- Date: Fri, 26 Oct 2007 18:01:36 -0700
On Oct 26, 2007, at 5:32 PM, David Hoerl wrote:
I am about ready to switch over from Tiger to Leopard on my local
computer. I would also like to switch over to Xcode 3 full time.
However, my projects are built in a production environment (in a far
distant land!) that will be Tiger / Xcode 2.4.1 for some time. [I
could argue to get Xcode 2.4.1 reved to 2.5 when its official, if
need be.]
My biggest fear is getting a long way into a development cycle, only
to find out that my updated project won't build on Tiger anymore.
So, I understand I can set the project format to be Xcode 2.4
compatible, and thus it would appear that this means the project
would build on Tiger.
The new project format compatibility feature ensures that you can open
and work with your project in Xcode 2.4, but it does not necessarily
mean that your project will build on Tiger. If you use new features of
the compiler or linker, use new API available only on Leopard, or
otherwise make changes which would prevent your project from building
normally on Tiger, project compatibility won't help you.
The Cross-Development Programming Guide ( http://developer.apple.com/documentation/DeveloperTools/Conceptual/cross_development/
) describes how to make sure that your project continues to run on
Tiger; to make sure that you can still build with the older tools, you
can combine cross-development practices (building against the 10.4u
SDK) with project compatibility.
- Rick Ballard
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