Analysis of information sources in references of the Wikipedia article "Objective-C" in English language version.
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Objective-C is an object-oriented strict superset of C
The issue first arose when NeXT proposed to distribute a modified GCC in two parts and let the user link them. Jobs asked me whether this was lawful. It seemed to me at the time that it was, following reasoning like what you are using; but since the result was very undesirable for free software, I said I would have to ask the lawyer. What the lawyer said surprised me; he said that judges would consider such schemes to be "subterfuges" and would be very harsh toward them. He said a judge would ask whether it is "really" one program, rather than how it is labeled. So I went back to Jobs and said we believed his plan was not allowed by the GPL. The direct result of this is that we now have an Objective-C front end. They had wanted to distribute the Objective C parser as a separate proprietary package to link with the GCC back end, but since I didn't agree this was allowed, they made it free.
he runtime has been completely rewritten in gcc 2.4. The earlier runtime had several severe bugs and was rather incomplete.
For now, it is sensible to version this document by the releases of its sole implementation (and its host project), clang. "LLVM X.Y" refers to an open-source release of clang from the LLVM project. "Apple X.Y" refers to an Apple-provided release of the Apple LLVM Compiler.
Objective-C is a superset of C
The Swift language is the product of tireless effort from a team of language experts, documentation gurus, compiler optimization ninjas, and an incredibly important internal dogfooding group who provided feedback to help refine and battle-test ideas. Of course, it also greatly benefited from the experiences hard-won by many other languages in the field, drawing ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list.
The Swift language is the product of tireless effort from a team of language experts, documentation gurus, compiler optimization ninjas, and an incredibly important internal dogfooding group who provided feedback to help refine and battle-test ideas. Of course, it also greatly benefited from the experiences hard-won by many other languages in the field, drawing ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list.
The issue first arose when NeXT proposed to distribute a modified GCC in two parts and let the user link them. Jobs asked me whether this was lawful. It seemed to me at the time that it was, following reasoning like what you are using; but since the result was very undesirable for free software, I said I would have to ask the lawyer. What the lawyer said surprised me; he said that judges would consider such schemes to be "subterfuges" and would be very harsh toward them. He said a judge would ask whether it is "really" one program, rather than how it is labeled. So I went back to Jobs and said we believed his plan was not allowed by the GPL. The direct result of this is that we now have an Objective-C front end. They had wanted to distribute the Objective C parser as a separate proprietary package to link with the GCC back end, but since I didn't agree this was allowed, they made it free.
Objective-C is an object-oriented strict superset of C
Objective-C is a superset of C
