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Re: NSAppKitVersionNumber for 10.3.0?
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Re: NSAppKitVersionNumber for 10.3.0?


  • Subject: Re: NSAppKitVersionNumber for 10.3.0?
  • From: Chuck Soper <email@hidden>
  • Date: Tue, 21 Sep 2004 12:34:13 -0700

At 7:47 PM +0100 9/21/04, Finlay Dobbie wrote:
On 21 Sep 2004, at 18:13, Chuck Soper wrote:

Will simply checking NSAppKitVersionNumber from awakeFromNib in my NSApp delegate be sufficient? Can I launch a 10.3 or 10.2 app on 10.1.x, get to init or awakeFromNib to check NSAppKitVersionNumber (before any incompatible APIs are called), and if necessary, call NSRunCriticalAlertPanel then exit gracefully?

No. 10.1.x did not support weak linking, so the app will fail to launch (dyld will complain about unresolved symbols)


-- Finlay

Thanks for the explanation. I just found this tech note: http://developer.apple.com/technotes/tn2002/tn2064.html Perhaps, it needs updating? I haven't thoroughly read it.

I don't think I will spend too much more time on this because this issue will only affect my pre-10.2 users.

Day after tomorrow I will be at the ADC Compatibility Lab at Apple. If someone wanted to give me a little version-checking app, I should/might have time to test it on many different Mac OS X versions (as long as this solution is shared with everyone).

Chuck
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References: 
 >Re: NSAppKitVersionNumber for 10.3.0? (From: Rainer Brockerhoff <email@hidden>)
 >Re: NSAppKitVersionNumber for 10.3.0? (From: Jim Correia <email@hidden>)
 >Re: NSAppKitVersionNumber for 10.3.0? (From: Rainer Brockerhoff <email@hidden>)
 >Re: NSAppKitVersionNumber for 10.3.0? (From: Chuck Soper <email@hidden>)
 >Re: NSAppKitVersionNumber for 10.3.0? (From: Finlay Dobbie <email@hidden>)

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