You are probably explicitly linking against individual frameworks
rather than the Cocoa framework, or you are not linking against the
10.4 SDK (which should be your first choice when you want something to
run back on 10.4).
Chris Kane
Cocoa Frameworks, Apple
On Nov 1, 2007, at 7:09 AM, Jaime Magiera wrote:
> Hello,
>
> As a tangent of my previous email re: cross-version build docs, here
> is a problem that appeared while running a Leopard application on
> Tiger. I'm sure it's my fault, but I'm confused about diagnosing and
> solving problem. The application was originally written on Tiger.
> The project was moved to Leopard and is currently compiled there for
> both OS versions.
>
> When launching the app on Tiger, the following appears...
>
> ===========
>
> Nov 1 03:04:06 ovid crashdump[3564]: MyApp crashed
> Nov 1 03:04:06 ovid crashdump[3564]: crash report written to: /
> Users/jaime/Library/Logs/CrashReporter/MyApp.crash.log
> dyld: Symbol not found: _NSDefaultRunLoopMode
> Referenced from: /Users/jaime/Desktop/MyApp copy.app/Contents/MacOS/
> MyApp
> Expected in: /System/Library/Frameworks/CoreFoundation.framework/
> Versions/A/CoreFoundation
>
> ==========
>
>
> The constant is defined in NSRunLoop.h. If I search for NSRunLoop.h
> on the systems, they all exist in
>
> /System/Library/Frameworks/Foundation.framework/Versions/C/Headers/
> NSRunLoop.h
>
> I understand a little about frameworks and versioning. What I don't
> understand is how the app ends up looking in A instead of
> "Current" (the symlink if the framework properly points to C of
> course).
>
> What have I done wrong to facilitate this problem? Thanks for any
> help,
>
> Jaime