Nobody does because it's tied to Objective-C runtime, Cocoa etc. which don't work well either in Windows or Linux - due to different dispatch model. GNUstep is essentially a compatibility library, works sort of meh and is incomplete. See the other leg of the thread.
It's tied to the objective-c runtime to the same extent that other dynamic languages e.g. Ruby, are tied to their runtimes. That hasn't stopped them.
I agree that the poor state of GNUStep and indeed the fact that it even tries to be a compatibility layer discourages users.
However objective-c is not tied to GNUStep. And this line of reasoning is irrelevant to swift.
Neither swift nor its standard library are tied to OSX at all. Moreover the applications for which a Linux versions will be useful, i.e. servers, will not be handicapped by the lack of access to Cocoa.
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Totally false. Not only is there no such tie, Apple is preparing a Linux open source release.
You can compile Objective-C on Linux but nobody does.
That just goes to prove that there is no tie.
Nobody does because it's tied to Objective-C runtime, Cocoa etc. which don't work well either in Windows or Linux - due to different dispatch model. GNUstep is essentially a compatibility library, works sort of meh and is incomplete. See the other leg of the thread.
It's tied to the objective-c runtime to the same extent that other dynamic languages e.g. Ruby, are tied to their runtimes. That hasn't stopped them.
I agree that the poor state of GNUStep and indeed the fact that it even tries to be a compatibility layer discourages users.
However objective-c is not tied to GNUStep. And this line of reasoning is irrelevant to swift.
Neither swift nor its standard library are tied to OSX at all. Moreover the applications for which a Linux versions will be useful, i.e. servers, will not be handicapped by the lack of access to Cocoa.