On Aug 15, 2011, at 11:19 AM, Martin Hewitson wrote: > > On Aug 15, 2011, at 08:13 PM, David Duncan wrote: > >> On Aug 15, 2011, at 10:56 AM, Martin Hewitson wrote: >> >>> Is it ok to declare a property to be NSPopover, even if that class doesn't >>> exist on 10.6? >> >> Yes. Using a class as a data type doesn't create linkage. >> >>> I tried the >>> >>> if ([NSPopover class]) {} >>> >>> trick, but I get the same error when running on 10.6.8. I'll try some more >>> in case I made a mistake, but…. >> >> >> But again, are you building with Clang? :). > > No, the project is set to use "System default (LLVM GCC 4.2)". You would > rather recommend "Apple LLVM compiler 2.1" ?
You can either use LLVM Compiler (aka Clang, I forget that it was renamed in Xcode!) or you can use the NSClassFromString I mentioned earlier. Either will solve the problem, but weak linked classes are only supported in LLVM/Clang. -- David Duncan _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com