It's the standard gcc 4.1 on CentOS, so it is probably an older runtime. When I built the latest GNUstep, it turned off exceptions, so that is probably the case. Thanks!
Jon On Mon, Jun 27, 2011 at 9:49 AM, David Chisnall <[email protected]> wrote: > On 26 Jun 2011, at 18:38, Jonathan Bartlett wrote: > > > I have a category for NSString which defines a method "isEmpty". > However, I am getting the following error: > > > > GSCSubString (instance) does not recognize isEmpty. Is this because this > class is not inheriting from NSString, or something else? > > Which Objective-C runtime are you using? There was a bug with older > versions of the GNUstep runtime which occasionally caused categories that > were loaded before the classes to get lost. > > GSCSubString is a(n indirect) subclass of NSString, so a category on > NSString should be working. If it isn't, then it's a bug in either your > compiler or the runtime. Can you send this message to other string objects? > What happens if you do this: > > [class_createInstance(objc_getClass("NSString")) isEmpty]; > > David > > -- Sent from my Apple II > >
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