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This page https://sfconservancy.org/copyleft-compliance/vmware-code-similarity.html https://sfconservancy.org/copyleft-compliance/vmware-code-si... attempts to
by spoondan 10y ago
This page https://sfconservancy.org/copyleft-compliance/vmware-code-similarity.html https://sfconservancy.org/copyleft-compliance/vmware-code-si... attempts to back up Hellwig's claims using analysis from CCFinderX. However, it seems to make an error in establishing baselines when it states that, "Next, we compared the source code of the Linux Kernel 4.5.2 to the LLVM+Clang system, version 3.8.0. These two projects are each a large program written in the C programming language, but they are not known to actively share code."
LLVM+Clang are written in modern C++, not C. It's unclear to me if a mechanical translation from modern C++ to C will rank as similar, despite it clearly being copying. I suspect it would, but I think the cross-language comparison is a weakness in this demonstration. Combined with the reported failure to meet evidentiary standards, it suggests some real room for improvement in pursuing these cases.