Re: NSAppKitVersionNumber for 10.3.0?
Re: NSAppKitVersionNumber for 10.3.0?
- Subject: Re: NSAppKitVersionNumber for 10.3.0?
- From: Chuck Soper <email@hidden>
- Date: Tue, 21 Sep 2004 10:13:46 -0700
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?
I'm pretty sure there's a reason, but I'm not understanding why weak
linking or installing a small version-checking executable within a
bundle is necessary to determine the version. I need to get this code
properly working in my application. Thanks.
Chuck
At 3:25 PM -0300 9/20/04, Rainer Brockerhoff wrote:
At 08:19 -0400 20/09/2004, Jim Correia wrote:
On Sep 20, 2004, at 7:15 AM, Rainer Brockerhoff wrote:
AFAIK 10.1.x ignores LSMinimumSystemVersion, 10.2.x quits with a
message, and 10.3.x quits without a message. So to be safe I write:
[...]
...with the added bonus that you can write your own
apologetic/snippy/obscure message ;-)
The downside to this approach is that if your app requires 10.3,
you are plain out of luck on 10.1, and you have to make sure you
weak link so that the app can close and come up on 10.2 to just
tell people that the app won't run there.
Yes, I took for granted that my solution requires weak-linking
against "new" APIs, which is a hassle. I suppose with "plain out of
luck on 10.1" you mean the two-level linking problem? I admit I no
longer have access to any Mac with 10.1.x installed to check this
out.
Of course, one easy way out is to have a small version-checking
executable that runs your main executable only if the version is
correct...
--
Rainer Brockerhoff <email@hidden>
Belo Horizonte, Brazil
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