On 6 Sep 2011, at 22:11, Kyle Sluder wrote: > On Tue, Sep 6, 2011 at 1:55 PM, jonat...@mugginsoft.com > >> My understanding is that the SDK frameworks are there to provide feedback >> during the linking that is performed as part of the build. >> When the app is actually run the dynamic linker links to the specified >> versions (A, B, C, etc) of the system frameworks as specified in the binary >> (see otool -l). > > Framework versions haven't been used since the OpenStep days. Really? It is still documented: http://developer.apple.com/library/mac/#documentation/MacOSX/Conceptual/BPFrameworks/Concepts/VersionInformation.html#//apple_ref/doc/uid/20002255-BCIECADD I presumed versioning was still actively used in system frameworks.
> >> The binary knows nothing about the SDK (correct me on this if I am wrong). > > You are wrong. ;-) So it would seem! > >> To me this means that a framework will make its judgement of whether to >> modify its internal behaviour based on introspecting the application linkage. >> This behaviour though seems to be rare and implementation details scare on >> the ground. > > The system frameworks often check the SDK version the application > they're running within was linked against. > Can otool extract the SDK version? Regards Jonathan Mitchell Developer Mugginsoft LLP http://www.mugginsoft.com_______________________________________________ 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
