I have received a few downvotes. Please note I was answering the above question that a relicense is absolutely required for compatibility with the Apache v2 lic

I have received a few downvotes. Please note I was answering the above question that a relicense is absolutely required for compatibility with the Apache v2 license because of the patent provision that is incompatible with the GPL v2. This is the position of the Free Software Foundation. The GPL v3 has a patent provision and explicit compatibility with the Apache v2 license to end any ambiguities.