Re: building Jaguar compatible applications
Re: building Jaguar compatible applications
- Subject: Re: building Jaguar compatible applications
- From: Chris Espinosa <email@hidden>
- Date: Fri, 23 Jan 2004 10:28:31 -0800
On Jan 23, 2004, at 1:10 AM, Jens Miltner wrote:
When I want to build a Jaguar compatible application (Carbon in my
case), I understand, I have to choose the 10.2.8 SDK from the
"Cross-Develop Using Target SDK" popup in the General settings section
of my Project's info window.
What I'm not sure about is whether I need to add the frameworks my app
needs from the SDK folder as well, or whether I should leave the
frameworks from /System/Library/Frameworks/ (when I create a Carbon
project, it already contains those frameworks).
The latter. This lets you change SDKs without having to remove and
re-add frameworks.
When I add the frameworks from /Developer/SDKs/MacOSX10.2.8/, will this
make my app look at that location for the frameworks when it launches?
When I leave the framework from /System/Library/Frameworks/ won't Xcode
link in symbols that might not be available in previous systems?
Nope. Built applications never expect a /Developer folder, as most
users don't have them. The whole point of SDKs is that the libraries
in /Developer are stub libraries, i.e. they contain no code.
Are there any guidelines how to produce a backwards compatible
application? I saw the documents about cross-development, but it didn't
really mention this problem and the various pieces of information
needed to do cross-development seem to be splattered across several
pages from different pieces of documentation and it seems to imply some
knowledge about Xcode internal build process.
Are there any pointers to a 'beginners' documentation on how to do
cross-development?
If you haven't read
file:///Developer/Documentation/DeveloperTools/Conceptual/
cross_development/CrossDevelopment.html you ought to; it's the primary
conceptual guide and reference to the cross-development feature. If it
confuses or misleads you, or omits information you think is important,
file a bug on it and we'll make it clearer.
Chris Espinosa
Apple
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