Re: Xcode cross-developing to 10.1 and NSProgressIndicator (Modified by Justin Lundy)
Re: Xcode cross-developing to 10.1 and NSProgressIndicator (Modified by Justin Lundy)
- Subject: Re: Xcode cross-developing to 10.1 and NSProgressIndicator (Modified by Justin Lundy)
- From: j o a r <email@hidden>
- Date: Wed, 19 Nov 2003 22:36:19 +0100
On 2003-11-19, at 21.02, Chris Espinosa wrote:
>> I got an app that I'm developing in Xcode, this app uses
>> NSProgressIndicators, specifically calling the setStyle method. I set
>> the SDK to Mac OS X 10.1.5 and cleaned and compiled, and no problems.
>> I restarted in 10.1.5 and tried my app and it crashed with a console
>> error saying that NSProgressIndicator doesn't recognize setStyle
>> selector. But it compiled fine, so WTF? I go to the documentation
>> page for NSProgressIndicator, and low and behold, setStyle, along with
>> several other methods, are 10.2+... Here are my questions:
>> 1) Why didn't Xcode catch this?
>
> Because it would have done exactly the same thing if you built it on
> 10.2.5. SDK support really only deals with runtime library binding,
> and not with the dynamic message sending of Objective-C.
If I had built an appliction on Mac OS X 10.2 and used a selector that
only exists on Mac OS X 10.3, I would have received at least a warning.
Are you saying that if I do the same thing on Mac OS X 10.3, in a
project set to use the Mac OS X 10.2 SDK, I will not get a warning? How
useful is that? Why can't you provide the appropriate warnings and
errors for the selected SDK?
j o a r
[demime 0.98b removed an attachment of type application/pkcs7-signature which had a name of smime.p7s]
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