Google got away with distributing 11,000 lines of code from Oracle's proprietary Java implementation. It was considered fair use. https://en.wikipedia.org/wiki

Google got away with distributing 11,000 lines of code from Oracle's proprietary Java implementation. It was considered fair use. https://en.wikipedia.org/wiki/Google_LLC_v._Oracle_America,_Inc https://en.wikipedia.org/wiki/Google_LLC_v._Oracle_America,_.... The conditions you put in a software license must work within a legal framework. It appears that your license can't relicense my code, it only applies to your code. However linking or reproducing portions of your code for interoperability don't create a derivative work. This is of course not a legal advice. FSF licenses are trying to take away rights from you that cannot be taken away.