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Re: Compatibility Checking

On Jun 28, 2004, at 4:58 PM, Rachel Blackman wrote:

I know about the build target settings, and I know some messages are
marked as 'available in Panther' in the Xcode documentation, but is
there any sort of toolkit or program which will check an application
for Jaguar compatibility?

There are the SDKs, but that doesn't "check" for compatibility; that compiles the target against the library & framework headers of the old OS. And even that doesn't guarantee compatibility; as I found out the hard way a while ago, if your target links against any third-party libraries that were not built against the same SDK, then you still run the chance of the application not working in the older OS releases.

I tried not to do anything Panther-specific,
but evidently something slipped in; the program works on Panther
machines but not my friend's Jaguar machine.

You should always check for messages in the console when this happens, because launch problems are always reported in the console rather than being displayed to the user. So ask your friend to launch Console.app (in /Applications/Utilities), attempt to run the application, and see if anything appears in the console.

Nick Zitzmann
<http://seiryu.home.comcast.net/>
<http://www.freshlysqueezedsoftware.com/>
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"To announce that there must be no criticism of the president, or that we are to stand by the president, right or wrong, is not only unpatriotic and servile, but is morally treasonable to the American public." - Theodore Roosevelt
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References: 
 >Compatibility Checking (From: Rachel Blackman <email@hidden>)



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